inclined longwall mining method [矿业] 倾斜长壁采煤法
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.
研究证明，液压护顶长壁法是开采缓倾斜极薄类铁矿床最优的采矿方法。
The paper gives a brief account of the use and developing tendency of the inclined longwall coal-mining at home and abroad.
本文主要介绍国内外倾斜长壁采煤法的使用概况及发展趋势。
The paper regards the main roof strata in uphill and downhill mining of an inclined longwall as a elastic plate.
本文将倾斜长壁仰斜、俯斜开采的老顶岩层视为倾斜弹性板。
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