“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	agricultural tax receipt agricultural tax reform agricultural tax system agricultural technique innovations agricultural technology agricultural technology anti-freezing agricultural technology diffusion agricultural technology evolution agricultural technology extension agricultural technology extension agents agricultural technology for anti-drought agricultural technology Innovation diffusion agricultural technology progress agricultural technology promotion and plant protection subsidies agricultural technology revolution agricultural temperature resources agricultural territorial division agricultural territorial pattern agricultural territorial specialization agricultural territorial system agricultural territorial type agricultural textiles agricultural thought in modern China agricultural total factor productivity statistics agricultural tourism

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