课件下载链接:https://pan.baidu.com/s/1hZHPWYDNYoKMOTjoxKGuwQ?pwd=bkvv 提取码:bkvv 申请样书、课件解压码请关注微信公众号 “文泉职教”咨询QQ:1737781562/200595764电话010- 83470412/0417