short wall mining 中文意思是什麼
short wall mining
解釋
短壁採煤法-
The effect of coal pillar ' s sizes on the ground subsidence in short - wall mining
短壁開采中煤柱尺寸對地表沉陷的影響 -
The settlement of the reasonable coal - pillar width in the short - wall mining
短壁開采合理煤柱寬度的確定 -
Viscoelasticity analysis and application of key strata of covering rock to short wall mining
短壁開采覆巖關鍵層黏彈性分析與應用
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