“ventilation shaft”的概念、定义、翻译、参考文献-科学参考

单词	ventilation shaft
释义	ventilation shaft Encyclopedia 工学竖井释 ventilation shaft；air shaft通风井用于地下矿山新鲜风流进入井下或污风排出的井筒。保证将足够数量的新鲜空气连续供给井下各采掘作业面，并将污浊空气从矿井中排出，防止矿井内大气污染，创造安全舒适的井下作业环境。简称风井。
随便看	the Doha round of agricultural negotiations The Doll The Dominica Museum The Doncaster Regional Planning Scheme The Dong Hu of Ghosts the Dongzhuang Ten Friends Group The Donkey’s Tail the Dormition Cathedral in Vladimir The Dot and the Line: A Romance in Lower Mathematics The Double Dealer the double diamond revamped The Double Hook the double identity of public administrator the double runway procedure the double shafted carts the double truth theory the Douniu dragon patterns The Dove of Peace the Draft of Ten-Year Planning on the Construction of the Alternate Capital The Draft of the Civil Procedure Law of the Qing Dynasty The dragon and phoenix lantern the Dragon and Tiger Scripture in Ancient Characters The Dragon Robe Kills the drainage channels of polluted sediment yard the dramatic building of the Anhui Guild Hall in Beijing

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