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	hold rating hold record holdredge holdrege hold register hold regulator valve hold relay holdren hold request hold reset hold reset switch hold responsible holdridge Holdridge life zone holdroyd holds holds a candle holds a candle to hold sacred holds against hold sb accountable for holds back hold sb at bay hold sb culpable hold sb. dear 黄鹂又啼数声黄鹂又啼数声黄鹂吞声燕无语黄鹄去不息黄鹤一去不复返黄鹤之飞尚不得黄鹤之飞尚不得过黄鹤断矶头黄鹤断矶头黄鹤楼中吹玉笛においたつ【匂い立つ】においぶくろにおいぶくろ【匂い袋】におい立つにおい袋におうにおうにおう【仁王（二王）】におう【匂う・臭う】におうだち