“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	order disorder phase transformation order-disorder phase transformation order-disorder phase transition order-disorder [phase] transition; order-disorder [phase] transformation order-disorder transformation order disorder transition order-disorder transition order disorder transitions order-disorder transitions Order-driven production order dual ordered ordered Abelian group ordered additive group ordered affine plane ordered algebra ordered algebraic structure ordered alloy ordered arrangement ordered Banach space ordered basis ordered binary decision diagram ordered binary decision diagram, OBDD ordered by magnitude ordered Cartesian product

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