“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	prefabricated concrete columns prefabricated concrete composite beams prefabricated concrete stairs prefabricated concrete structure prefabricated construction prefabricated housing/ assemble housing prefabricated installation technology prefabricated lining prefabricated pile prefabricate installation survey prefabrication building preface preface and postscript Preface and Postscript of “Rural Survey” preface hall Preface of Holy Doctrine of the Giant Wild Goose Pagoda Preface of Picture Six Horses of Zhaoling by Zhao Bingwen Preface of Shouyuanfang House by Wang Chong Preface of the Critique of Political Economy Preface of the Heqi Hainei preface of the journal Preface of The Plays of William Shakespeare Prefaces and Postscripts on Calligraphy Works and Paintings of the Changxingxing Studio Prefaces and Postscripts on Paintings by Yanzhou Shanren Prefaces and Postscripts on Paintings of Zheng Xie

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