“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	ASCOM ascoma ascomycetes ascorbic acid ascospore ascostroma Ascraeus Mons ascribed role A Scroll of Five Farcical Characters A Scroll of Ink Daffodils A Scroll of Peace Reigns over the River by Qing court painters A Scroll of Six Sublime Trees A Scroll of the North Pole ascus ascus mother cell Ascónuclear leak ASD Asdreni ASE ASEANAPOL ASEAN(Association of Southeast Asian Nations) Chiefs of Police Conference Asean Write Award A Sea of Fragrant Snow A* Search ASEA-SKF process

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