“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	furrow furrow application furrow plough Furry process Furry's theorem Furry theorem fur sewing machine Furstenberg Furstenberg,Harry Further and Higher Education Act 1992 further annotation on classics and on preceding annotation further annotion on classics and on preceding annotation Further Discussion on Calligraphy from the Palace Library Further Discussion on Epigraphy Further Grading of Calligraphers Further Studies on Calligraphy and Painting Falsification further study session of opera actors Further Supplement to History of Painting Fur Trade Furtwängler Furud furufural Furui Yosikiti furuncle furuncle of nose

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