“stage room stoping mining method”的概念、定义、翻译、参考文献-科学参考

单词	stage room stoping mining method
释义	stage room stoping mining method Encyclopedia 工学空场采矿法释 stage room stoping mining method阶段矿房采矿法把矿块规则地划分为矿房和矿柱，先用深孔采矿法回采矿房，后用适当方法回采矿柱的空场采矿法。回采过程中，暂留阶段矿房高度的空区，在巷道内进行回采作业，矿石借自重全部溜到矿块底部的阶段出矿巷道集中出矿，作业人员和设备不进入空区。
随便看	wild embedding of a manifold wild embedding of a polyhedron Wilder Wilderness and Man Wilderness Area wilderness area wilderness rescue wilderness survival Wild evaporimeter Wild Flowers by the Road Wild Flowers of China wild fruit tree Wild Geese and Reeds Wild Geese Descending on the Sandbank wild ginseng wild goose Wild Grass Wild Grass Soceity wild group wild knot wildlife allowed for commercial utilization wildlife domestication and breeding center wildlife management wildlife monitoring wildlife monitoring by line transect method

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