“通风井”的概念、定义、翻译、参考文献-科学参考

单词	通风井
释义	通风井 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	derivation of an algebra derivation of a polynomial derivation of a ring derivation rule derivation tree derivation weaves derivative derivative control derivative coupling derivative deposits derivative dictionary derivative forward backward semiclassical dynamics derivative forward-backward semiclassical dynamics derivative-free derivative-free method derivative function derivative in a direction derivative in mean square derivative magma derivative of a distribution derivative of a function derivative of a generalized function derivative of a mapping derivative of an element derivative of a polynomial

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