“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	management on publication printing management oversight and risk tree analysis management paradigm management plan management planning management planning ideas of Dongting Lake basin in Ancient China management planning of nature reserve management position description questionnaire，MPDQ management procedure management process management process school management program management psychology management regulation for bird banding Management Regulation of Tongji Weir Irrigation District Management Regulation on Receiving Foreign Satellite Television Programs from Satellite Earth Receiving Facilities Management Regulations on Public Places Health management responsibility system of non-commercial forest management right of contracted land management risk analysis management roles school management role theory management sample management science management science and engineering

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