“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	emulsified asphalt recycling machine emulsified asphalt slurry mixtures emulsified-asphalt specialized for high-speed railway emulsified bitumen emulsified fuels emulsifier emulsifier free emulsion polymerization emulsifier-free emulsion polymerization emulsify emulsifying emulsify technology emulsion emulsion carrier emulsion chamber emulsion defect emulsion droplet emulsion explosive emulsion grafting-blend method emulsion graft polymerization emulsion PCR emulsion photometer emulsion polymerization emulsion polymerized styrene-butadiene rubber emulsions emulsion sampling

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