目

录

第1篇 基础篇

第1章SolidWorks 2020概述....1

1.1 了解SolidWorks 2020 ·································1

1.1.1 SolidWorks的发展历程 ························1

1.1.2 SolidWorks 2020功能概览 ···················1

1.2 SolidWorks 2020的安装 ·····························4

1.3 SolidWorks 2020用户界面 ·························6

1.3.1 菜单栏 ···················································6

1.3.2 功能区 ···················································7

1.3.3 命令选项卡 ···········································7

1.3.4 设计树 ···················································7

1.3.5 状态栏 ···················································7

1.3.6 前导视图工具栏 ···································8

1.4 任务窗格·····················································8

1.4.1 SolidWorks资源 ····································8

1.4.2 设计库 ···················································8

1.5 SolidWorks帮助 ········································10

1.6 SolidWorks指导教程 ································11

1.7 课后习题···················································11

第2章学习SolidWorks 2020

的关键第一步................12

2.1 环境配置···················································12

2.1.1 系统选项设置 ·····································12

2.1.2 管理功能区 ·········································13

2.2 SolidWorks 2020文件管理 ·······················14

2.2.1 新建文件 ·············································14

2.2.2 打开文件 ·············································15

2.2.3 保存文件 ·············································16

2.2.4 关闭文件 ·············································17

2.3 控制模型视图 ···········································17

2.3.1 缩放视图 ·············································17

2.3.2 定向视图 ·············································18

2.3.3 模型显示样式 ·····································20

2.3.4 隐藏/显示项目 ····································20

2.3.5 剖视图 ·················································21

2.4 键鼠应用技巧 ···········································22

2.4.1 键鼠快捷键 ·········································22

2.4.2 鼠标笔势 ·············································22

2.5 综合实战——管件设计 ·····························25

2.6 课后练习···················································28

第3章学习SolidWorks 2020

的关键第二步................29

3.1 选择对象···················································29

3.1.1 选中并显示对象 ·································29

3.1.2 对象的选择 ·········································30

3.2 使用三重轴 ···············································36

3.2.1 三重轴 ·················································36

3.2.2 参考三重轴 ·········································36

3.3 注释和控标 ···············································38

3.3.1 注释 ·····················································38

3.3.2 控标 ·····················································39

3.4 使用Instant3D ··········································41

3.4.1 使用Instant3D编辑特征 ·····················41

3.4.2 Instant3D标尺 ·····································43

3.4.3 活动剖切面 ·········································44

3.5 综合实战——轴承支座零件建模案例 ·······46

3.6 课后习题···················································49

第4章

学习SolidWorks 2020

的关键第三步................50

4.1 参考几何体 ···············································50

4.1.1 基准面 ·················································50

4.1.2 基准轴 ·················································52

4.1.3 坐标系 ·················································53

4.1.4 创建点 ·················································54

4.2 录制与执行宏 ···········································55

4.2.1 新建宏 ·················································55

4.2.2 录制/暂停宏 ········································56

4.2.3 为宏指定快捷键和菜单 ·····················56

4.2.4 执行宏与编辑宏 ·································56

4.3 FeatureWorks ··········································57

4.3.1 FeatureWorks特点 ·······························57

4.3.2 关闭和激活FeatureWorks ···················57

4.3.3 FeatureWorks识别方法与类型 ···········58

4.3.4 FeatureWorks操作选项 ·······················59

4.3.5 FeatureWorks选项设置 ·······················60

4.4 综合实战——台灯设计 ·····························62

4.4.1 基座建模 ·············································62

4.4.2 连杆建模 ·············································65

4.4.3 灯头建模 ·············································66

4.5 课后习题···················································67

第5章草图绘制命令................68

5.1 SolidWorks 2020草图环境 ·······················68

5.1.1 SolidWorks 2020草图界面 ·················68

5.1.2 草图绘制方法 ·····································68

5.1.3 草图约束信息 ·····································69

5.2 草图动态导航 ···········································70

5.2.1 动态导航的推理图标 ·························70

5.2.2 图标的显示设置 ·································71

5.3 草图对象的选择 ········································72

5.3.1 选择预览 ·············································72

5.3.2 选择多个对象 ·····································73

5.4 绘制草图基本曲线 ····································73

5.4.1 直线与中心线 ·····································73

5.4.2 圆与周边圆 ·········································76

5.4.3 圆弧 ·····················································79

5.4.4 椭圆与部分椭圆 ·································80

5.4.5 抛物线与圆锥双曲线 ·························82

5.5 绘制草图高级曲线 ····································83

5.5.1 矩形 ·····················································83

5.5.2 槽口曲线 ·············································84

5.5.3 多边形 ·················································86

5.5.4 样条曲线 ·············································86

5.5.5 绘制圆角 ·············································89

5.5.6 绘制倒角 ·············································90

5.5.7 文本 ·····················································92

5.6 综合实战：绘制垫片草图 ·························93

5.7 课后习题···················································95

第6章草图变换与编辑指令........97

6.1 草图编辑工具 ···········································97

6.1.1 剪裁实体 ·············································97

6.1.2 延伸实体 ···········································100

6.1.3 分割实体 ···········································100

6.1.4 线段 ···················································101

6.2 草图变换工具 ·········································102

6.2.1 等距实体 ···········································102

6.2.2 复制实体 ···········································104

6.2.3 镜像实体 ···········································109

6.2.4 旋转实体 ···········································110

6.2.5 缩放实体比例 ···································111

6.2.6 伸展实体 ···········································111

6.3 草图阵列·················································112

6.3.1 线性阵列 ···········································112

6.3.2 圆周阵列 ···········································113

6.4 由实体和曲面转换草图 ···························115

6.4.1 转换实体引用 ···································115

6.4.2 侧影实体 ···········································116

6.4.3 交叉曲线 ···········································116

6.5 修改草图和修复草图 ·······························116

6.5.1 修改草图 ···········································116

6.5.2 修复草图 ···········································117

6.6 综合实战：绘制花形草图 ·······················118

V

6.7 课后习题·················································119

第7章草图尺寸与几何约束.......120

7.1 草图几何约束 ·········································120

7.1.1 几何约束类型 ···································120

7.1.2 添加几何关系 ···································121

7.1.3 显示/删除几何关系 ··························122

7.2 草图尺寸约束 ·········································125

7.2.1 草图尺寸设置 ···································125

7.2.2 尺寸约束类型 ···································129

7.2.3 尺寸修改 ···········································130

7.3 插入尺寸·················································134

7.3.1 草图数字输入 ···································134

7.3.2 添加尺寸 ···········································134

7.4 草图捕捉工具 ·········································136

7.4.1 草图捕捉 ···········································136

7.4.2 快速捕捉 ···········································136

7.5 完全定义草图 ·········································137

7.6 爆炸草图·················································138

7.7 综合实战·················································139

7.7.1 绘制吊钩草图 ···································139

7.7.2 绘制转轮架草图 ·······························140

7.8 课后习题·················································141

第8章3D草图与空间曲线........142

8.1 认识3D草图 ············································142

8.1.1 3D空间控标 ······································142

8.1.2 绘制3D直线 ······································143

8.1.3 绘制3D点 ··········································146

8.1.4 绘制3D样条曲线 ······························146

8.1.5 曲面上的样条曲线 ···························147

8.1.6 3D草图基准平面 ······························147

8.1.7 编辑3D草图曲线 ······························149

8.2 曲线工具·················································151

8.2.1 通过XYZ点的曲线 ···························151

8.2.2 通过参考点的曲线 ···························152

8.2.3 投影曲线 ···········································152

8.2.4 分割线 ···············································156

8.2.5 螺旋线/涡状线 ··································158

8.2.6 组合曲线 ···········································160

8.3 综合实战——音箱建模 ···························160

8.4 课后习题·················································169

第9章

SolidWorks文件

与数据管理..................170

9.1 SolidWorks文件结构与类型 ····················170

9.1.1 外部参考 ···········································170

9.1.2 SolidWorks文件信息 ························172

9.1.3 SolidWorks文件类型 ························172

9.2 版本文件的转换 ······································173

9.2.1 利用SolidWorks Task Scheduler

 转换 ···················································173

9.2.2 在SolidWorks 2020软件窗口中

 自动转换 ···········································174

9.3 文件的输入与输出 ··································174

9.3.1 通过SolidWorks Task Scheduler

 输入、输出文件 ·······························174

9.3.2 通过SolidWorks 2020窗口输入、

 输出文件 ···········································175

9.4 输入文件与FeatureWorks识别特征 ········176

9.4.1 FeatureWorks插件载入 ·····················176

9.4.2 FeatureWorks选项 ·····························176

9.4.3 识别特征 ···········································177

9.5 管理Toolbox文件 ····································179

9.5.1 生成Toolbox标准件的方式 ··············180

9.5.2 Toolbox标准件的只读选项 ··············180

9.6 SolidWorks eDrawings ···································182

第2篇 机械设计篇

第10章创建基本实体特征.........184

10.1 特征建模基础 ·······································184

10.2 拉伸凸台/基体特征 ·······························185

10.2.1 【凸台-拉伸】属性面板 ···············185

10.2.2 拉伸的开始条件和终止条件 ········185

10.2.3 拉伸截面的要求 ····························187

10.3 旋转凸台/基体特征 ·······························189

10.3.1 【旋转】属性面板 ························190

10.3.2 关于旋转类型与角度 ····················190

10.3.3 关于旋转轴 ····································190

10.4 扫描凸台/基体特征 ·······························191

10.4.1 【扫描】属性面板 ························192

10.4.2 扫描轨迹的创建方法 ····················192

10.4.3 带引导线的扫描特征 ····················192

10.5 放样/凸台基体特征 ·······························193

10.5.1 创建带引导线的放样特征 ············194

10.5.2 创建带中心线的放样特征 ············194

10.6 边界/凸台基体特征 ·······························196

10.7 综合实战——矿泉水瓶造型 ··················198

10.7.1 创建瓶身主体 ·································197

10.7.2 创建附加特征 ·································197

10.8 课后习题···············································202

第11章创建高级实体特征.........203

11.1 形变特征 ···············································203

11.1.1 自由形 ·············································203

11.1.2 变形 ·················································205

11.1.3 压凹 ·················································210

11.1.4 弯曲 ·················································212

11.1.5 包覆 ·················································216

11.1.6 圆顶 ·················································216

11.2 扣合特征 ···············································218

11.2.1 装配凸台 ·········································219

11.2.2 弹簧扣 ·············································220

11.2.3 弹簧扣凹槽 ·····································221

11.2.4 通风口 ·············································221

11.2.5 唇缘/凹槽 ········································222

11.3 综合实战：轮胎与轮毂设计 ··················225

11.3.1 轮毂设计 ·········································225

11.3.2 轮胎设计 ·········································227

11.4 课后习题 ···············································230

第12章创建工程特征...............231

12.1 创建倒角与圆角特征 ·····························231

12.1.1 倒角 ·················································231

12.1.2 圆角特征 ·········································232

12.2 创建孔特征 ···········································234

12.2.1 简单直孔 ·········································234

12.2.2 高级孔 ·············································234

12.2.3 异形孔向导 ·····································235

12.2.4 螺纹线 ·············································236

12.3 抽壳与拔模 ···········································238

12.3.1 抽壳特征 ·········································238

12.3.2 拔模 ·················································238

12.4 对象的阵列与镜像 ································239

12.4.1 阵列 ·················································240

12.4.2 镜像 ·················································240

12.5 筋及其他特征 ·······································241

12.5.1 筋特征 ·············································242

12.5.2 形变特征 ·········································244

12.6 综合实战——中国象棋造型设计 ···········248

12.7 课后习题···············································252

第13章零件装配设计...............253

13.1 装配概述···············································253

13.1.1 计算机辅助装配 ·····························253

13.1.2 装配环境的进入 ·····························254

13.2 开始装配体 ···········································255

13.2.1 插入零部件 ·····································256

13.2.2 配合 ·················································257

13.3 控制装配体 ···········································261

13.3.1 零部件的阵列 ·································261

13.3.2 零部件的镜像 ·································262

13.3.3 移动或旋转零部件 ·························263

13.4 布局草图···············································263

13.4.1 布局草图的功能 ·····························263

13.4.2 布局草图的建立 ·····························264

13.4.3 基于布局草图的装配体设计 ·········264

13.5 装配体检测 ···········································265

13.5.1 间隙验证 ·········································265

13.5.2 干涉检查 ·········································265

13.5.3 孔对齐 ·············································266

13.6 爆炸视图···············································266

13.6.1 生成或编辑爆炸视图 ·····················266

13.6.2 添加爆炸直线 ·································267

13.7 综合实战···············································268

13.7.1 实战一：脚轮装配设计 ·················268

13.7.2 实战二：台虎钳装配设计 ·············271

13.7.3 实战三：切割机工作部装配

 设计 ················································275

13.8 课后习题···············································277

第14章机械工程图设计...........279

14.1 工程图概述 ···········································279

14.1.1 设置工程图选项 ·····························279

14.1.2 建立工程图文件 ·····························280

14.2 标准工程视图 ·······································282

14.2.1 标准三视图 ·····································282

14.2.2 自定义模型视图 ·····························283

14.2.3 相对视图 ·········································284

14.3 派生的工程视图 ····································284

14.3.1 投影视图 ·········································284

14.3.2 剖面视图 ·········································285

14.3.3 辅助视图与剪裁视图 ·····················286

14.3.4 断开的剖视图 ·································287

14.4 标注图纸···············································288

14.4.1 标注尺寸 ·········································288

14.4.2 注解的标注 ·····································290

14.4.3 材料明细表 ·····································291

14.5 工程图的对齐与显示 ·····························293

14.5.1 操纵视图 ·········································293

14.5.2 工程视图的隐藏和显示 ·················294

14.6 打印工程图 ···········································294

14.6.1 为单独的工程图纸指定设定 ·········294

14.6.2 打印整个工程图图纸 ·····················294

14.7 综合实战——阶梯轴工程图 ··················295

14.8 课后习题···············································299

第15章SolidWorks机械

设计案例....................300

15.1 草图绘制案例 ·······································300

15.2.1 绘图分析 ·········································300

15.2.2 绘图步骤 ·········································301

15.2 机械零件建模案例 ································303

15.2.1 机械零件1建模训练 ·······················303

15.2.2 机械零件2建模训练 ·······················306

15.2.3 机械零件3建模训练 ·······················311

15.3 SolidWorks插件设计案例 ·····················315

15.3.1 利用GearTrax齿轮插件设计外啮

 合齿轮 ·············································315

15.3.2 利用弹簧宏程序设计弹簧 ·············317

15.3.3 利用Toolbox插件设计凸轮 ············317

15.4 装配设计案例 ·······································318

15.4.1 装配设计分析 ·································318

15.4.2 造型与装配步骤 ·····························319

第3篇 产品设计篇

第16章基本曲面特征...............322

16.1 曲面概述···············································322

16.1.1 SolidWorks曲面定义 ······················322

16.1.2 曲面命令介绍 ·································323

16.2 常规曲面···············································323

16.2.1 拉伸曲面 ·········································323

16.2.2 旋转曲面 ·········································325

16.2.3 扫描曲面 ·········································327

16.2.4 放样曲面 ·········································329

16.2.5 边界曲面 ·········································334

16.3 平面区域···············································334

16.4 综合实战——玩具飞机造型 ··················335

16.5 课后习题···············································338

第17章高级曲面特征..............339

17.1 高级曲面特征 ·······································339

17.1.1 填充曲面 ·········································339

17.1.2 等距曲面 ·········································341

17.1.3 直纹曲面 ·········································345

17.1.4 中面 ·················································347

17.1.5 延展曲面 ·········································347

17.2 综合实战——牛仔帽造型设计 ··············348

17.3 课后习题···············································351

第18章曲面编辑与操作............352

18.1 曲面操作···············································352

18.1.1 替换面 ·············································352

18.1.2 延伸曲面 ·········································353

18.1.3 缝合曲面 ·········································353

18.1.4 剪裁曲面 ·········································354

18.1.5 解除剪裁曲面 ·································356

18.1.6 删除面 ·············································357

18.2 曲面加厚与切除 ····································362

18.2.1 加厚 ·················································362

18.2.2 加厚切除 ·········································362

18.2.3 使用曲面切除 ·································363

18.3 综合实战——灯饰造型 ·························363

18.4 课后习题···············································369

第19章模型检测与质量评估......370

19.1 测量工具···············································370

19.1.1 设置单位/精度 ································370

19.1.2 圆弧/圆测量 ····································371

19.1.3 显示XYZ测量 ·································371

19.1.4 面积与长度测量 ·····························372

19.1.5 零件原点测量 ·································372

19.1.6 投影测量 ·········································372

19.2 质量属性与剖面属性 ·····························373

19.2.1 质量属性 ·········································373

19.2.2 剖面属性 ·········································374

19.3 传感器 ··················································375

19.3.1 生成传感器 ·····································375

19.3.2 传感器通知 ·····································376

19.3.3 编辑、压缩或删除传感器 ·············376

19.4 统计、诊断与检查 ································376

19.4.1 统计 ·················································376

19.4.2 检查 ·················································377

19.4.3 输入诊断 ·········································378

19.5 模型质量分析 ·······································378

19.5.1 几何体分析 ·····································378

19.5.2 厚度分析 ·········································379

19.5.3 误差分析 ·········································380

19.5.4 斑马条纹 ·········································380

19.5.5 曲率分析 ·········································381

19.6 综合实战···············································381

19.6.1 实战一：测量模型 ·························382

19.6.2 实战二：检查与分析模型 ·············384

19.6.3 实战三：产品分析与修改 ·············387

19.7 课后习题···············································388

第20章产品高级渲染..............390

20.1 渲染概述···············································390

20.1.1 认识渲染 ·········································390

20.1.2 启动PhotoView 360插件 ················391

20.1.3 PhotoView 360菜单及工具条 ········391

20.2 PhotoView 360渲染功能 ······················391

20.2.1 渲染步骤 ·········································391

20.2.2 应用外观 ·········································392

20.2.3 应用布景 ·········································394

20.2.4 光源与相机 ·····································394

20.2.5 贴图和贴图库 ·································402

20.2.6 渲染操作 ·········································406

20.3 综合实战···············································407

20.3.1 实战一：宝石戒指渲染 ·················407

20.3.2 实战二：白炽灯泡渲染 ·················410

20.4 课后习题···············································413

第21章

SolidWorks产品设计

案例..........................415

21.1 电吹风造型设计 ····································415

21.1.1 壳体造型 ·········································415

21.1.2 吹风机附件设计 ·····························421

21.1.3 电源线与插头设计 ·························424

21.2 玩具蜘蛛造型设计 ································426

21.3 洗发露瓶造型设计 ································431

21.4 工艺花瓶造型设计 ································434

第4篇 模具设计篇

第22章模具设计基础..............436

22.1 模具设计概述 ·······································436

22.1.1 模具种类 ·········································436

22.1.2 模具的组成结构 ·····························436

22.1.3 模具设计与制造的一般流程 ·········438

22.2 模具设计常识 ·······································439

22.2.1 产品设计注意事项 ·························439

22.2.2 分型面设计主要事项 ·····················440

22.2.3 模具设计注意事项 ·························441

22.2.4 模具设计依据 ·································441

22.3 产品设计、模具设计与加工制造 ···········441

22.3.1 产品设计阶段 ·································441

22.3.2 模具设计阶段 ·································450

22.3.3 加工制造阶段 ·································452

第23章Plastics模流分析.......457

23.1 SolidWorks Plastics入门基础 ···············457

23.1.1 有限元分析基础 ·····························458

23.1.2 常见制品缺陷及产生原因 ·············458

23.1.3 SolidWorks Plastics插件的安装 ·········459

23.2 新建算例···············································460

23.3 网格建立与问题修复 ·····························461

23.3.1 Plastics网格类型 ·····································461

23.3.2 建立网格模型 ·································462

23.3.3 网格诊断与修复 ·····························463

23.3.4 处理产品壁厚问题 ·························464

23.3.5 流阻系数 ·········································465

23.4 边界条件设定 ·······································465

23.4.1 浇口位置的选择 ·····························466

23.4.2 控制阀 ·············································466

23.5 系统与模具零件设计 ·····························467

23.5.1 浇注系统设计 ·································467

23.5.2 冷却系统设计 ·································468

23.5.3 增加虚拟模具 ·································469

23.6 设定材料属性 ·······································469

23.6.1 选择聚合物 ·····································469

23.6.2 模具材料 ·········································471

23.7 设置工艺参数 ·······································471

23.7.1 充填设定 ·········································471

23.7.2 保压设定 ·········································473

23.7.3 扭曲设定 ·········································473

23.8 分析类型···············································473

23.8.1 “流动”分析 ·································473

23.8.2 “流动+保压”分析 ·······················474

23.8.3 “流动+保压+扭曲”分析 ············474

23.9 综合实战——风扇叶模流分析 ··············475

23.9.1 分析前期准备工作 ·························475

23.9.2 流动分析与结果剖析 ·····················476

23.9.3 优化分析 ·········································477

23.10 课后习题·············································479

第24章SolidWorks分模设计....480

24.1 SolidWorks模具工具介绍 ·····················480

24.2 产品分析工具 ·······································480

24.3 分型线设计工具 ····································480

24.4 分型面设计工具 ····································481

24.4.1 用于创建区域面的工具 ·················481

24.4.2 用于创建延展面的工具 ·················482

24.4.3 修补孔的工具 ·································483

24.5 成型零部件设计工具 ·····························485

24.5.1 分割型芯和型腔 ·····························485

24.5.2 拆分成型镶件 ·································485

24.6 综合实战——风扇叶分模 ·····················486

24.7 课后习题···············································491

第5篇 其他模块设计篇

第25章机构动画与运动分析......492

25.1 SolidWorks运动算例 ····························492

25.1.1 运动算例界面 ·································492

25.1.2 时间线与时间栏 ·····························493

25.1.3 键码点、关键帧、更改栏、

 选项 ·················································493

25.1.4 算例类型 ·········································495

25.2 动画 ······················································496

25.2.1 创建基本动画 ·································496

25.2.2 动画向导 ·········································500

25.3 基本运动···············································502

25.3.1 四连杆机构运动仿真 ·····················503

25.3.2 齿轮传动机构仿真 ·························506

25.4 Motion运动分析 ····································508

25.4.1 Motion分析的基本概念 ·················509

25.4.2 凸轮机构运动仿真 ·························509

第26章钣金结构件设计............514

26.1 钣金设计概述 ·······································514

26.1.1 钣金零件分类 ·································514

26.1.2 钣金加工工艺流程 ·························515

26.1.3 钣金结构设计注意事项 ·················515

26.2 SolidWorks 2020钣金设计工具 ············516

26.3 钣金法兰设计 ·······································516

26.3.1 基体法兰 ·········································516

26.3.2 薄片 ·················································518

26.3.3 边线法兰 ·········································518

26.3.4 斜接法兰 ·········································519

26.4 创建折弯钣金体 ····································519

26.4.1 绘制的折弯 ·····································520

26.4.2 褶边 ·················································520

26.4.3 转折 ·················································521

26.4.4 展开 ·················································521

26.4.5 折叠 ·················································521

26.4.6 放样折弯 ·········································522

26.5 钣金成形工具 ·······································523

26.5.1 使用【成形】工具 ································523

26.5.2 编辑成形工具 ·································524

26.5.3 创建新成形工具 ·····························524

26.6 编辑钣金特征 ·······································526

26.6.1 拉伸切除 ·········································526

26.6.2 边角剪裁 ·········································527

26.6.3 闭合角 ·············································527

26.6.4 断裂边角 ·········································528

26.6.5 将实体零件转换成钣金件 ·············528

26.6.6 钣金设计中的镜像特征 ·················529

26.7 综合实战——ODF单元箱主体设计 ·······530

第27章管道与线路设计............533

27.1 Routing模块概述 ··································533

27.1.1 Routing插件的应用 ························533

27.1.2 文件命名 ·········································533

27.1.3 关于管道设计的术语 ·····················534

27.2 生成线路点与连接点 ·····························534

27.2.1 生成线路点 ·····································535

27.2.2 生成连接点 ·····································535

27.3 管道、管筒零部件设计 ·························537

27.3.1 设计库零件 ·····································538

27.3.2 管道和管筒零件设计 ·····················538

27.3.3 弯管零件设计 ·································539

27.3.4 法兰零件 ·········································540

27.3.5 变径管零件 ·····································540

27.3.6 其他附件零件 ·································541

27.4 管道线路设计 ·······································541

27.4.1 管道步路选项设置 ·························542

27.4.2 通过拖/放来开始 ····························542

27.4.3 绘制3D草图（手动步路） ············543

27.4.4 自动步路 ·········································543

27.4.5 开始步路 ·········································544

27.4.6 编辑线路 ·········································545

27.4.7 更改线路直径 ·································545

27.4.8 覆盖层 ·············································546

27.5 管筒线路设计 ·······································549

27.5.1 创建自由线路的管筒 ·····················549

27.5.2 创建正交线路的管筒 ·····················550

27.6 综合实战——锅炉管道系统设计 ···········551