“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	ante-mortem injury ante-mortem management of animals ante-mortem quarantine antenna antenna analysis antenna aperture antenna array antenna arrays antenna baseline antenna calibration antenna diagram antenna directivity antennae antenna effective area antenna efficiency Antennae Galaxies antenna element antenna elements antenna environment antenna error antenna feed antenna feeds antenna gain antenna graph antenna height

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