• 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

    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

  • 本文探讨了浅孔留新型变形方案:留矿全面法、静态留矿法、削壁矿法,以及这些方法的矿岩开采条件,采场主动支护,矿柱回收等。

    The paper discusses the new options of short-hole shrinkage: all-over mining, static shrinkage, precipice shrinkage, rock mining conditions, active supporting and ore pillar recovery.

    youdao

  • 本文探讨了浅孔留新型变形方案:留矿全面法、静态留矿法、削壁矿法,以及这些方法的矿岩开采条件,采场主动支护,矿柱回收等。

    The paper discusses the new options of short-hole shrinkage: all-over mining, static shrinkage, precipice shrinkage, rock mining conditions, active supporting and ore pillar recovery.

    youdao

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