当数控机床的手动脉冲发生器的选择开关位子在X1时，通常情况下手_爱下问搜题

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问题单项选择题

当数控机床的手动脉冲发生器的选择开关位子在X1时，通常情况下手轮的进给单位是（）。

A、0.001mm/格

B、0.01/格

C、0.1/格

D、1mm/格

答案

参考答案：A

选择题

—Why are you so disappointed?

—I went there hurriedly and waited there for 3 hours, ______ the tickets have been sold out.

A．being told

B．only to tell

C．telling

D．only to be told

选择题

An elephant a trunk.[ ]

A. has

B. to have

C. have