“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	DRAM Drama drama drama-actor’s training Drama and Film Drama and Film Monthly Drama and Film Training Course of Jinxing Film and Drama Company Drama Association Drama class Drama club Drama College The Hong Kong Academy for Performing Arts drama crisis Drama Department Lu Xun Literature and Art University Drama department People's Liberation Army Academy of Art Drama Department, School of Arts, National Beiping University drama director's explication Drama Era Drama for Peasants Drama Group drama in anti-Japanese base area Drama in Education drama in education Drama in Education of Trinity College Dublin Drama in the Liberated Region Drama Journal

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