在进行Y38一l型滚齿机空运转试验时，各挡交换齿轮和传动用的啮合_爱下问搜题

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问题单项选择题

在进行Y38一l型滚齿机空运转试验时，各挡交换齿轮和传动用的啮合齿轮的轴向错位量不应超过（）mm。

A、0.2

B、0.4

C、0.5

D、1.0

答案

参考答案：C

选择题

The naughty boy, who starved________a CD, said seriously to his father that he would starve

________death rather than give up his demand.[ ]

A. after；to

B. for；to

C. about；until

D. for；till

名词解释

施工缝