“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	Yichuan Yizhuan Yichun Forest Museum Yichun Imperial Park Yichun Jingji Jishu Kaifaqu Yichun Museum Yichun Museum (Yichun Yuanzhou Local Time Museum) Yichun niobium-tantalum deposit Yichun Pinghua storytelling Yichun Qu Yichun Shi Yicihui Stone Column Yicihui Stone Pillar Yi costume Yidan Cairang Yi dance Yi Dao Yiddish Yiddish language Yidu Yidu Museum Yidu Shi yield yield condition yield criterion yield curve

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