试题与答案

弹簧垫圈结构简单、使用方便,但弹力不均,防松效果差。

题型:判断题

题目:

弹簧垫圈结构简单、使用方便,但弹力不均,防松效果差。

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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