“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	Computer assisted ordering system computer-assisted personal interviewing computer-assisted proof computer assisted structure elucidation computer-assisted structure elucidation computer assisted synthesis design computer-assisted synthesis design computer-assisted telephone interviewing computer-assisted tomography computer-assisted translation computerate computer automated measurement and control （CAMAC） standard computer automatic recognition computer availability computer backup computer based education computer based interlocking system computer chess computer choreography computer cluster computer conference computer control computer controlled system computer-controlled telescope computer crime

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