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從采區變電所到采掘工作面配電點之間必須采用()電纜。 (單選題)

作者:煤礦安全網 2022-05-26 14:00 來源:煤礦安全網 采區 工作面 配電點 電纜 單選題
題目信息:

  從采區變電所到采掘工作面配電點之間必須采用()電纜。 (單選題)

  A.鋁包

  B.銅芯

  C.鋁芯

  D.其他

答案

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

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