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[單選題] ()采用錨桿支護必須進行頂板離層監測,并將監測結果記錄在牌板上。

作者:煤礦安全網 2022-02-11 09:50 來源:煤礦安全網 選題 錨桿支護 頂板 結果 牌板
題目信息:

  [單選題] ()采用錨桿支護必須進行頂板離層監測,并將監測結果記錄在牌板上。

  A、 煤巷

  B、 巖巷

  C、 煤巷、半煤巖巷

  D、 巖巷

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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