“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	fertilization for vegetables fertilization(plant) fertilization rate fertilization tube fertilized egg fertilized ovum fertilizer application in ancient China fertilizer application method fertilizer application with nutrient solution fertilizer catalyst fertilizer distributor fertilizer feed fertilizer from seaweed fertilizer machine fertilizer machinery fertilizer of secondary nutrients fertilizer pollution of fishery environment fertilizer requirement characteristic fertilizer response function fertilizer science fertilizer slowing/controlled release material fertilizer spreader fertilizer synergist fertilizer use efficiency fertilizin

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