“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	field-theoretical method field theory field theory of learning field thistle herb field topology field tower field transition arch field triage field trial field triangulation field upgrade field vector field water balance field waterlogging field wave field without affect field without source field with valuation fieldwork field work HTS squid magnetometer field work log field yield measurement field yoke field-zone-network model Fierz

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