“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	George Grote George Grove George Henry Evans George Herbert Hitchings George Herbert Mead George Herbert Putnam George Herbert Walker Bush George Horace Gallup George Houstoun Reid George Howard Darwin George Hoyningen-Huene George Hoyt Whipple George I George Inness George I of Great Britain George Joseph Stigler George Julian Harney George Keith Batchelor George Kingsley Zipf George Kukla George Lakoff Georg Elias Müller George Lillo George London George Lucas

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