“room-and-pillar mining method”的概念、定义、翻译、参考文献-科学参考

单词	room-and-pillar mining method
释义	room-and-pillar mining method Encyclopedia 工学房柱采矿法释 room-and-pillar mining method房柱采矿法矿房回采过程中靠围岩和留下的规则连续矿柱或间柱来维护采场稳定性的空场采矿法。简称房柱法。
随便看	white phosphorus poisoning white point white popinac white poplar white porcelain white porcelain double bellied dragon handle bottle white porcelain made by Dehua kiln white porcelain made by Ding kiln white porcelain made by Xing kiln white porcelain plate decorated with Bogu pattern from the Ding Kiln white porcelain pot with a dragon handle and rooster head white porcelain vase with black peony patterns white pottery white pottery carved double ear jar with Taotie pattern White Pottery of the Shang Dynasty White Propaganda white propaganda white pulp white-pupil echelle spectrometer White Revolution white rhinoceroses white rot whiteruss white sardinella white saxaul

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