“emergency ventilation”的概念、定义、翻译、参考文献-科学参考

单词	emergency ventilation
释义	emergency ventilation Encyclopedia 工学工艺局部通风释 emergency ventilation事故通风在一些生产工艺过程中，由于操作事故或者设备故障，有可能突然产生大量有毒有害气体、易燃易爆气体、粉尘或气溶胶等有害物质，为了防止有害物质对工作人员造成伤害和防止事故进一步扩大，需要尽快将有害物质排至室外的通风方式。事故通风装置只有在发生事故时才开启使用，对事故现场进行强制通风。
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