• The paper approached the subject of the application of draw theory which utilizes the movement rule of caved rock to control ore-drawing under overlying rock.

    本文利用崩落矿石移动规律进行覆盖下放控制这一放矿理论应用课题进行探讨

    youdao

  • The paper approached the subject of the application of draw theory which utilizes the movement rule of caved rock to control ore-drawing under overlying rock.

    本文利用崩落矿石移动规律进行覆盖下放控制这一放矿理论应用课题进行探讨

    youdao

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