英语词典
A large number of mined-out areas usually formed, in the process of mineral resources exploitation, Open-stope method including breasting mining method, room-and-pillar method and shrinkage mining method were adopted in underground mine.
地下矿山应用全面法、房柱法及留矿法等空场类方法进行矿产资源开采过程中,通常会形成大量的采空区。
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Unite Mining Test and Application of Shallow Hole Shrinkage Stoping Method and Up Level Slicing Filling timbered horizontal cut and fill stoping
浅眼留矿与向上水平分层充填法联合开采试验与应用
Analysis of the Blasting Shrinkage Stoping Mining Method on One Explosion
一次爆破仓储采煤方法分析
Application of Inclined Long Working Face Short-hole Shrinkage Method in Mining of Steep-Inclined Extremely Thin Ore Vein
斜长工作面浅孔留矿法在急倾斜极薄矿脉开采中的应用
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