试题与答案

574Б型闸瓦间隙自动调整器性能试验时(),须将螺杆调至()。

题型:填空题

题目:

574Б型闸瓦间隙自动调整器性能试验时(),须将螺杆调至()。

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, C, D

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