“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	Germany Railway Disaster Prevention and Alarm System Germany rural renewal planning German Yuri Pavlovich germarite germ cell germ cell gene therapy germ disc Germer germ free animal Germinal germinal band germinal cell germinal centerl，GC germinal centre germinal crescent germinal epithelium germinal layer germinal vesicle germinated barley germinated rice-grain germination germination medium germination test of herbage seeds germ layer germ layer differentiation of domestic animal

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