“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	semi-vowel semiwave semi-wave antenna semi-worsted spinning sempervirine Sem Schilt semulsifier free emulsion polymerization semulsifier-free emulsion polymerization Semu people Semyon Afanasievich Vengerov Semyon Fridlyand Semyon Izrailevich Lipkin Semyon Petrovich Babayevsky Semyon Petrovich Gudzenko Semyon Solomonovich Yushkevich Semyon Yakovlevich Nadson Sen senarmontite senary senate Senate Bill 10 in Oregon Senate of Shaanxi-Gansu-Ningxia Border Region Senator James McMillan Senba Zuru Senbo

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