“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	regular commutator regular compensation regular complete intersection regular complex function regular component regular composition regular conditional distribution regular conditional probability regular cone regular confidence region regular configuration regular congruence regular conic section regular conjugate bases regular continuation regular continued fraction regular control regular convergence regular convex polyhedron regular convex surface regular coordinate functions regular covering regular covering space regular covering surface regular curve

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