“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	dwarf planet dwarf sequence dwarf spherical galaxy dwarf spheroidal galaxy dwarf spiral galaxy dwarf star dwarf variable d-wave pairing d-wave superconductor DWBA DwC DWDM d-web dwell dwelling at Zhuge Changle Village dwelling floor area dwelling/house Dwelling in Reclusion in the Bian Mountain Dwelling in the Floating Jade Mountains Dwelling in the Fuchun Mountains by Huang Gongwang dwelling lake dwelling unit dwell time DWI Dwight David Eisenhower

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