• 通过山东王村铝土矿采矿优化介绍提出一种新的采矿——人工顶柱无底长壁崩落

    Through the detail introduction on optimization of raining method in Shandong Wangcun Bauxite Mine, this paper puts forward a new mining method——longwall caving with artificial roof pillar.

    youdao

  • 对于倾斜矿脉开采通常采用全面充填、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

  • 研究证明液压护顶长壁开采倾斜铁矿优的采矿

    The research result shows that longwall mining method with hydraulic pressure frame supporting capping rock is the optimal mining proposal for the gently inclined and extremely thin iron mine.

    youdao

  • 研究证明液压护顶长壁开采倾斜铁矿优的采矿

    The research result shows that longwall mining method with hydraulic pressure frame supporting capping rock is the optimal mining proposal for the gently inclined and extremely thin iron mine.

    youdao

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