file:游标卡尺的读数方法-孙海燕.flv file:学会车削光轴（2）.flv file:车削外螺纹前的有关计算.flv file:试车外圆的方法.flv file:背吃刀量.flv file:在刀架上装夹车刀.flv file:背吃刀量在切削加工中的应用.flv file:在四瓜单动卡盘上装夹轴类工件.flv file:DNS工作原理_李士山.flv file:纸浮雕装饰画制作_周长青.flv file:车工.mp4 file:AutoCAD.mp4 file:UCS坐标变换.flv file:三维实体基础知识.flv file:拉伸、扫掠、放样.flv file:剖切、倒角、倒圆、抽壳.flv file:楼梯设计的调研报告.flv file:身边的数学DV展_潘进福_宋志文.flv file:身边的数学课堂.flv file:Introduce the swimming pool.flv file:Dealing with complaints and paying bills.flv file:Welcoming a guest.flv file:Connecting phone line.flv file:酒店英语_薛正香.flv file:Wake-up service.flv file:Asking for leaving a message.flv file:Room reservation by telepone.flv