“room-and-pillar mining with subsequent backfill”的概念、定义、翻译、参考文献-科学参考

单词	room-and-pillar mining with subsequent backfill
释义	room-and-pillar mining with subsequent backfill Encyclopedia 工学充填采矿法释 room-and-pillar mining with subsequent backfill房柱采矿嗣后充填法用房柱法进行矿石回采，并用充填料一次性充填采空区以支撑围岩，为间柱或周围采场的回采创造条件的采矿方法。
随便看	Low key lowland low latency trading low latitude forcing low level low-level equilibrium trap low level formatting low-level jet low level language low-level language low level laser therapy low-level laser therapy low level radioactive waste low-level [radioactive] waste low-level radioactive waste low level vertical wind shear low level virtual machine low-level vision low level waste low-level waste low light camera lowlight detection low light level CCD low-light-level charge-coupled device low light level imaging

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