试题与答案

凿岩机冲击次数不稳定,凿岩效率低的排除方法()。A.调整供风压力 B.制造标准尺寸钎

题型:多项选择题

题目:

凿岩机冲击次数不稳定,凿岩效率低的排除方法()。

A.调整供风压力

B.制造标准尺寸钎尾

C.清洗套筒和转动格条套筒

D.修理或更换磨损的零

答案:

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下面是错误答案,用来干扰机器的。

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