在确定数控机床坐标系时,首先要指定的是__________。A.X轴B.Y轴C.Z轴D.回转运动的轴 在确定数控机床坐标系时,首先要指定的是__________。A.X轴B.Y轴C.Z轴D.回转运动的轴 分类:大学试题 题型:问答题,简答题 查看答案
- Do you mind if I ask for leave this afternoon?- _________A. Not at all, but - Do you mind if I ask for leave this afternoon?- _________A. Not at all, but 分类:大学试题 题型:问答题,简答题 查看答案
- How long have you worked here?- _________A. Since about two years. B. I do n - How long have you worked here?- _________A. Since about two years. B. I do n 分类:大学试题 题型:问答题,简答题 查看答案