“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	ownership of sports event ownership of trustees ownership stamp ownership structure ownership survey ownership verification and demarcation of water conservancy project own-rooted seedling O. W. Richardson O. W. Richardson, 1879—1959 OWSpace O Wudaghon Ox oxacephems oxacide oxacyclobutane oxacyclobutane; oxetane oxacyclobutanone oxacyclobutene oxacyclobutene; oxete; oxetene oxacycloheptatriene oxacycloheptatriene; oxepin oxacyclopropane oxacyclopropane; epoxyethane; oxirane oxacyclopropene oxacyclopropene; oxirene

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