“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	vehicle servicing facilities vehicle suspension test system vehicle technical grade vehicle trace vehicle transportation of oil ＆ gas products vehicle travel time vehicle type vehicle type standard database vehicle tyre vehicle use survey vehicle-vehicle communication vehicle with box body vehicle with stake body vehicular Ad-hoc network Veijo Meri veil veiled antigen veiled cell veiled pattern pottery veiling Veil Nebula veil variable star vein vein end vein eyelet

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