在有可能突然发生有大量有毒气体、易燃易爆气体的场所，还应考虑必要的事故通风(emergency ventilation) 被有害物污染了的空气在排入大气时，应符合大气排放标准，否则应进行净化处理和改进净化处理装置
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... emergency ventilation shaft 事故通风井 emergency ventilation 应急通风 emergency voice communication system 应急话音通信系统 ...
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emergency ventilation system 事故通风系统
emergency ventilation shaft 事故通风井
ventilation shaft emergency stairs 通风井太平梯
Emergency mechanical ventilation 紧急机械通气
Emergency ram air ventilation valve 应急冲压空气通风活门
In the emergencies of releasing toxic gas in public places, emergency ventilation system plays an important role for ensuring indoor occupants' safety.
在公共场所释放有毒气体的突发事件中，应急通风系统对于保证室内人员的安全起着至关重要的作用。
Emergency ventilation of an uncuffed tube can be effected by ensuring the inner tube is in place and attaching the manual rebreathing or resuscitation bag.
通过确保内置软管正确放置并借助重建呼吸手册或复苏包无袖套管在急救通气中才能起效。
The paper presents the methods and researching condition of tunnel fire, the characteristic of emergency ventilation, and the system of rescuing and putting out fire in tunnels.
论文介绍了隧道火灾的研究方法及现状，火灾事故应急通风的特点，以及隧道火灾通风灭火救援体系。
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