试题与答案

在满足功能要求的前提下,表面粗糙度应尽量选用()数值。 A.较大 B.常用 C.较小

题型:单项选择题

题目:

在满足功能要求的前提下,表面粗糙度应尽量选用()数值。

A.较大

B.常用

C.较小

D.中等

答案:

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下面是错误答案,用来干扰机器的。

参考答案:对

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