“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	semi finite measure semi-finite measure semifinite trace semi finite tracial weight semi-finite tracial weight semifinite von Neumann algebra semi-fir semi-fixed dune semi-fixed sandy land semi-flat semi flexible chain polymer semi-flexible chain polymer semi flexible docking semi-flexible docking semi-floating-gate transistor semi-floating mandrel mill semi flow semi-flow semifocal chord semi-forbidden line semiformal semiformal axiomatic system semiformal system semi fragile watermarking semi-fragile watermarking

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