煤层变薄 bed thinning ; Seam thinned
薄煤层输送机 low seam conveyor
螺旋钻机开采薄煤层法 [矿业] auger mining
薄煤层采煤机 thin seam Shearer ; thin coal seam shearer
薄煤层开采 thin seam mining ; thin coal seam mining ; mining of thin coal seam
缓倾斜薄煤层 gently inclined thin coal seam ; gently inclined low coal seam
克劳雷薄煤层采煤机 [矿业] Crawley midget miner
薄层煤 paper coal
倾斜薄煤层采煤法 [矿业] inclined low seam mining method
浅埋煤层薄基岩厚砂土松散层顶板动压灾害和采动水土流失是神东矿区急需解决的重大问题之一。
The vital problems to be solved in Shendong mine are the dynamic pressure damage of thin rock strata roof under thick sandy soil soft stratum and the loss of water and soil under mining.
介绍了一种新研制的极薄煤层采煤机液压锁的结构特点及工作原理，并对其进行了性能实验。
The structure and work theory of a new type of hydraulic lock of the thinnest coal seam shearer is described in this paper.
以现场实测结果为基础，利用数值模拟与反演方法分析了薄煤层联合开采的顶、底板破坏范围。
Based on the site actual measurements, the inversion analysis on the destroy range of roof and floor by the combined mining of thin seams was made by using numerical modeling.
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