试题与答案

列车制动机为一次缓解型，客货车转换阀置于客车位操纵时有何危害？

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题型：问答题 简答题

题目：

列车制动机为一次缓解型，客货车转换阀置于客车位操纵时有何危害？

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A

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