• 对于倾斜矿脉开采通常采用全面削壁充填、选别回采采矿

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

    youdao

  • 陕西商州市金矿采用削壁充填采矿法开采倾斜薄矿脉,获得成功取得良好的经济效益

    Resuing is used for mining the steeply dipping narrow-vein in the Shangzhou Gold Mine of Shaanxi, has made great success and excellent economic effect.

    youdao

  • 对于倾斜矿脉开采国内外最常用采矿浅孔留矿,实践表明,该存在人工劳动强度大、矿石贫化率高等缺点

    Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine, inclined thin veins with difficult occurrence and complicated mining conditions were discovered.

    youdao

  • 孔留对急倾斜薄矿脉的矿体开采一种有效采矿具有高效低耗工艺简单等优点

    Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.

    youdao

  • 孔留对急倾斜薄矿脉的矿体开采一种有效采矿具有高效低耗工艺简单等优点

    Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.

    youdao

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