“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	BWO BWPA BWR BWR NPP Bw star BW state BWT maneuver control B. W. Turnbull BWT机动控制 B-W像切分器 Bw型星 BW态 Byams pa ’phrin las Byang pa rnam rgyal grags bzang Bya Sprel Gtam Rgyud B.Yavuukhulan Byblos Byblos alphabets by catch bycatch reduction device Bydgoszcz BY Draconis star BY Draconis variable Bydžovský Bydžovskýconfiguration

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