... 查勘 survey; reconnaissance 长壁式开采法 longwall mining method 储藏量 reserves ...
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single longwall mining method 单一长壁采煤法
inclined longwall mining method [矿业] 倾斜长壁采煤法
strike longwall coal mining method 走向长壁采煤法
longwall mining with caving method 综放采煤法
·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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