...水体下采煤;厚煤层;透水危险性;综放开采;导水裂隙带;熵权-层次分析法 [gap=1269]Keywords : coal mining under water-bodies;thick coal seam;hazard of water inrush;full mechanized mining;water flowing fra..
双语例句
1
A numerical example shows that this method is effective and easily to come into use in the fields of top coal caving mining and coalminingunderwaterbodies in future.
算例的计算结果表明,该方法简单、快速,有望在放顶煤开采和水体下采煤中得到应用。
2
The mining with filling in goaf provides advantages for the rational mining of coalunder buildings, railroads and waterbodies.
采空区充填开采为“三下”煤炭的合理开采创造了条件。
3
The strip mining as one of the main technical measures for coalmining operation under buildings, railways and waterbodies has been widely applied to coal mines in China.