试题与答案

煤系底层有（）含水层并有（）危险的工作面，在开采前进行探放水，必须严格按编制的探放水

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题型：填空题

题目：

煤系底层有（）含水层并有（）危险的工作面，在开采前进行探放水，必须严格按编制的探放水设计及安全措施施工。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B

考点：钻探工考试井下钻探工井下钻探工题库
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