• Some kinds of genesis patterns of the seam thickness variation caused by bedding slip structure are analyzed and the forming reason of the coal parameter variation are expounded.

    分析了构造引起变化几种成因方式解释了煤质变化的形成原因

    youdao

  • Some kinds of genesis patterns of the seam thickness variation caused by bedding slip structure are analyzed and the forming reason of the coal parameter variation are expounded.

    分析了构造引起变化几种成因方式解释了煤质变化的形成原因

    youdao

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