“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	NBP NBR N bromosuccinimide N-bromosuccinimide N bromosuccinimide (NBS) N-bromosuccinimide (NBS) NBS Nb-Si intermetallic compound based superalloy Nb-Si intermetallics Nb-Si金属间化合物 NBT n-butanal n-butane n butyl acetate n-butyl acetate n-butyl alcohol n-butyl chloride n-butyl ether n butyllithium n-butyllithium n-butyraldehyde n by n matrix n by n square matrix NBZ NC

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