“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	particle coarsening particle collision particle collision cross-section particle concentration particle concentration measurement particle confinement particle conservation equation particle counter particle counters particle creation particle damping particle data acquisition particle detection particle detector particle distribution function particle dynamics particle dynamics analyzer particle emission time scale particle encounter particle equivalent diameter particle escape particle factory particle-field interaction particle filter particle fliter

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