“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	Belém Framework for Action BEM Bemba BEMF Bem Sex Role Inventory benadryl benalaxyl Benalla Benard convection Benardin Gantin Benard instability Benard Mandeviile benazolin Benba pot Bencao Gangmu bench Benchao Guangefu bench blasting bench dragon bench excavation method bench face excavating method bench mark benchmark benchmark concentration benchmark generation

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