“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	volume invariant volume level volume-limited redshift surveys volume-limited sample volume loss volume magnetostriction volume manager volume measuring volume metrology volume metrology technology volumenometer volume of activation volume of cardiac work volume of coherence volume of fluid method volume of fluid model volume of lake volume phase hologram Volume-Phase Holographic Grating volume phase holographic grating volume-phase holographic grating volume photoconductivity volume photoelectric effect volume pinning center volume pool

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