“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	photoelectric absolute magnitude photoelectric absorption photoelectric absorption coefficient photoelectric astrolabe photoelectric astrometry photoelectric cathode photoelectric cell photoelectric cell, photocell photoelectric colorimeter photoelectric conversion photo-electric conversion efficiency photoelectric conversion efficiency photo-electric conversion efficiency of solar cell photoelectric conversion material photoelectric converter photoelectric current photoelectric current sensor photoelectric detection photoelectric digital sunshine recorder photoelectric diode photoelectric direct reading spectrometer photo electric effect photo-electric effect photoelectric effect photoelectric emission

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