题目内容

分析夹具底座零件的图纸，可知零件底座侧壁的四个面中有两个侧面的粗糙度要求为Ra3.2μm，另外两个侧面的粗糙度不做要求。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

How do people New Year in your country?

A. celebrate
B. keep
C. take
D. get

He finally realized the of a well-balanced diet.

A. pleasure
B. importance
C. politeness
D. happiness

I don't want to get in this serious trouble.

A. prevented
B. involved
C. implicated
D. studied

I'm trying to break the of staying up too late.

A. problem
B. case
C. habit
D. test