“downward drift stoping with backfill”的概念、定义、翻译、参考文献-科学参考

单词	downward drift stoping with backfill
释义	downward drift stoping with backfill Encyclopedia 工学上向分层充填采矿法释 downward drift stoping with backfill下向进路充填法将矿块沿竖直方向划分为若干分层，由上而下逐层以巷道进路的方式进行回采并充填的采矿方法。
随便看	indicator electrode indicator element indicator function indicator function of an event indicator matrix indicator method indicator microorganism indicator of a set indicator of fishing vessels and gears indicator organism indicator organism for atmospheric pollution indicator organism for water pollution indicator plant indicator-rod indicators of groundwater genesis indicator species indicator species of marine pollution Indicator System indicator transition point indicator variable indicatrix indicatrix ellipse indicatrix of binormals indicatrix of curvature indicatrix of principal normals

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