• 通过多种采矿技术经济分析认为采用锚杆护顶全面采矿法较为合理

    Technological and economical analyses show that the breast stoping with roof bolting is more reasonable than others.

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  • 连续采矿具有独特优越之处全面拉开采场稳定性有待验证

    Therefore, continuous mining method is possessed of unique merits, yet the stability of stope after full opening waits to be proved.

    youdao

  • 金山金矿矿体属于缓倾斜中厚矿体,形态复杂开采难度大,原采用全面开采,采矿损失大、工效低、采场生产能力小。

    The orebody in Jinshan gold mine is flatly inclined and has thin to medium thickness, with a complicated morphology, thus the mining is very difficult.

    youdao

  • 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

  • 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

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