• For the gently inclined and extremely-thin vein, the mining methods including breasting method, waste-lifting stoping, resue stoping, long walling were usually adopted.

    对于倾斜矿脉开采通常采用全面削壁充填法、选别回采法等采矿方法

    youdao

  • For the gently inclined and extremely-thin vein, the mining methods including breasting method, waste-lifting stoping, resue stoping, long walling were usually adopted.

    对于倾斜矿脉开采通常采用全面削壁充填法、选别回采法等采矿方法

    youdao

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