“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	Baise Shi Baise Shuili Shuniu Baise Uprising Baise Uprising Memorial Hall Baisha Dao Baisha green tea Baishakou Xiehu Baisha Lizu Zizhixian Baishan Hydropower Station Baishan Shi Baishan Shuidianzhan Baisha Reservoir Baisha Song Dynasty Tombs Mural Baishatangou River Baisha Zhen Baishicun Baishiliutie Baishi Reservoir Baishi Shan Baishi Shanfang Lithographic Publishing House Baishishanfang Yigao Baisho Chieko Bai Shouyi Baishui Cave Scenic and Historic Area Baishui Xian

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