file:21-刀路转换与加工刀路优化.mp4 file:30-多轴钻孔2.mp4 file:7-C轴外形-展开.mp4 file:18-替换轴加工注意事项-2.mp4 file:15-端面加工-行程限制编程方法.mp4 file:12-平面与编程关系1.mp4