“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	The Romance of a Scholar and Two Girls The Romance of the Lute The Romance of the Three Kingdoms The Romance of the White-hair Maiden The Romance of Three Kingdoms The Romance of West Chamber in Zhugongdiao-Style Songs The Romancing Star The Romantic Swordsman theront the rope class falling objects fishing theropods The Rose and the Cross the Rose Apple Literary Society The Rotterdam Convention The Round House The Rout/The Nineteen The Roving Swordsman the row-boat dance The Royal Ballet of Cambodia Play The Royal Children’s School in Northern Wei Dynasty the royal clan education The Royal Dao's Altar in Northern Wei Dynasty the royal kiln of Qing Dynasty the Royal Library of Alexandria The Royal Malaysia Police

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