slice longwall method 分层长壁采煤法 ; 分层采煤法
filling longwall method [矿业] 充填长壁采煤法
longwall ore method 长壁式采矿法
longwall mining method 长壁式开采法
longwall caving method 长壁式崩落法
single longwall mining method 单一长壁采煤法
inclined longwall mining method [矿业] 倾斜长壁采煤法
inclined longwall cutting method 倾斜长壁采煤法
The roof slice longwall method increases the work of laying false roof for next slice.
长壁采煤法的采煤工艺具有多重特点：顶分层采煤增加了要为下分层填设假顶的工作。
Through the detail introduction on optimization of raining method in Shandong Wangcun Bauxite Mine, this paper puts forward a new mining method——longwall caving with artificial roof pillar.
通过对山东王村铝土矿采矿方法优化的介绍，提出了一种新的采矿方法——人工顶柱无底柱长壁式崩落法。
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。
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