单项选择题
A.generalB.libraryC.plannerD.hole making
A.Computer Aided DesignB.Computer Aaided MachiningC.Computer Aaided Engineering
A.顺铣B.逆铣C.混合
A.前一平面B.直接C.安全距离-刀轴D.毛坯平面
微信扫一扫,加关注免费搜题