• 中等倾斜顶板破碎矿体开采垂直分条充填采矿方法种较为有效方法

    Vertical slicing by filled stopes method is effective to mine fracturing ore body with the roof of moderate inclination.

    youdao

  • 本文着重介绍倾斜围岩中稳固性较条件下矿体采矿方法改进实践过程。

    This paper introduced emphatically to mining method for the ore-body of gentle dip and medium thickness under the condition of medium or poor stableness of country rocks in upper wall.

    youdao

  • 对于矿石价值中等品位中等的缓倾斜矿体,目前理想采矿方法

    There seems no ideal method to mine medium grade, gentle dip and medium thickness orebody.

    youdao

  • 胶结充填采矿开采倾斜矿体地表影响其他采矿方法不同有着自己规律

    The impact on ground surface caused by cemented filling method when used for mining steeply inclined orebody is different from that by other methods and has its own law.

    youdao

  • 孔留法对急倾斜矿脉矿体开采一种有效采矿方法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

  • 孔留法对急倾斜矿脉矿体开采一种有效采矿方法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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