试题与答案

立井在提升速度大于3m/s的提升系统中,必须设防撞梁和托罐装置。

题型:判断题

题目:

立井在提升速度大于3m/s的提升系统中,必须设防撞梁和托罐装置。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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