英语词汇“room-and-pillar system”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	room-and-pillar system
释义	room-and-pillar system [矿业] 房柱式采煤法
随便看	left justification left-justified left justified left-justified attribute left justified character left-justified character left justified clause left-justified clause left-justify left justify left kidney left-knee left knee left-laid leftlaid left laid rope left lamina left landing gear extended left landing gear retracted left-lane left lane Left Lane Loser left lateral left-lateral fault left lateral fault 树老心空，人老颠东树老怕风摇树老招风，人老招贱。树老易空，人老易松树老根多，人老见识多树老根多，人老话多树老焦梢叶儿稀，人老猫腰把头低树老焦梢，人老猫腰树老生虫，人老无用树老萝纡组，山寒叶满衣。公売公娼公子公孫公孫樹公安公安委員会公安条例公安調査庁公定