文章摘要信息 关键词 : 矿柱;稳定性;影响因素;敏感性;正交极差 [gap=1326]Keywords : ore pillar;stability;influencing factor;sensitivity;orthogonal polar difference
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ore pillar recovery 矿柱回收
safety ore pillar 安全矿柱
ore Pillar preventing water burst 防水矿柱
big ore pillar 大矿柱
ore-pillar caving 矿柱崩落
random ore pillar [矿业] 不规则矿柱
ore pillar recycle 矿柱回收
residual ore pillar 残留矿柱
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined-out area.
在空区未充填的情况下回采矿柱,矿柱与采空区顶板的稳定性是一个关键问题。
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined - out area.
在空区末充填的情况下回采矿柱,矿柱与采空区顶板的稳定性是一个关键问题。
In this thesis, according to the condition of Mujia Hill, the method of roof cutting and ore pillar dilapidation is proposed.
提出用切顶与矿柱崩落法处理木架山采空区。
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