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您好!歡迎來到煤礦安全生產網!

[單選題] 單向貫通巖巷,巷道貫通通知單應在( )發送到分管領導、施工單位及相關部門。

作者:煤礦安全網 2022-03-08 11:17 來源:煤礦安全網 選題 巖巷 巷道 通知單 領導 單位 部門
題目信息:

  [單選題] 單向貫通巖巷,巷道貫通通知單應在( )發送到分管領導、施工單位及相關部門。

  A、 20~30

  B、 30~40

  C、 50~100

答案

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

備案號:蘇ICP備12034812號-2

公安備案號:32031102000832

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