“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	Zhelin Hydro-Junction Zhelin Shuiku Zheluoman Mountain zhen Zhen'an Xian Zhen'an Xiangyuan tea Zhenbao Dao Zhenbao Island Wetland national nature reserve zhenbao pills Zhenba Xian Zhenda sect of Taoism Zhen Dexiu Zhen Dynasty Zhenfei Zhenfeng Pagoda Zhenfeng Poliu tea Zhenfeng Xian zheng Zheng'an white tea Zheng'an Xian ZhengAn Xiansheng Cungao zhengan xifeng decoction Zheng-Bai Canal Zheng Banqiao Zheng Banqiao Memorial

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