试题与答案

联接件表面之间，在外力作用下，接触部位产生较大的接触应力而引起变形时即是零件的接触（

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题型：单项选择题

题目：

联接件表面之间，在外力作用下，接触部位产生较大的接触应力而引起变形时即是零件的接触（）较差。

A.强度

B.刚度

C.硬度

D.塑性

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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