试题与答案

掘进巷道贯通后,首先应()。A、立即调整通风系统 B、立即清理浮煤 C、立即停止通风

题型:单项选择题

题目:

掘进巷道贯通后,首先应()。

A、立即调整通风系统

B、立即清理浮煤

C、立即停止通风

答案:

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