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采掘工作面遇到下列情況之一時,必須確定探水線進行探水。(????)

作者:煤礦安全網 2022-06-16 11:40 來源:煤礦安全網 工作面 情況 一時
題目信息:

  采掘工作面遇到下列情況之一時,必須確定探水線進行探水。()

  A.接近可能積水的相鄰煤礦

  B.接近導水陷落柱

  C.打開隔離煤柱放水

  D.接近有水的灌漿區

答案

煤礦安全網(http://www.nanibalconysafetynets.com)

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