“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	Lingjing "Xuchang People " Site Lingji Sect of Taoism Lingkun Dao Ling Li Lingling flower-drum opera Linglinglao storytelling Lingling Qu Ling Minyou Lingnan architecture Lingnandao Lingnan Dongdao Lingnan Garden Lingnan Museum of Fine Art Ling Nanren Lingnan School Lingnan University Lingnan University Library Lingnan Xidao lingonberry Ling prefecture Lingqiu Luoluo Tune Lingqiu Road Lingqiu Xian Ling Qu Lingquan Temple Caves

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