“fire damper”的概念、定义、翻译、参考文献-科学参考

单词	fire damper
释义	fire damper Encyclopedia 工学防火分区释 fire damper防火阀安装在通风、空气调节系统的送、回风管道上起隔烟阻火作用的阀门。平时呈开启状态，火灾时当管道内气体温度升高到一定温度时自动关闭，并在一定时间内满足漏风量和耐火完整性要求。
随便看	Rationed Tribute ration grazing ratio of centralized water supply ratio of consumption wastes treated ratio of division ratio of external division ratio of greater inequality ratio of internal division ratio of magnification ratio of monofilament deviation ratio of Output-to-input ratio of oxygen to uranium ratio of patient beds ratio of progression ratio of similitute ratio of specific heat capacity ratio of surface area ratio of survival ratio of tea polyphenols to amino acids ratio of the circumference of a circle to its diameter ratio of transportation accident ratio of wool yield to liveweight ratio of yield point to plastic viscosity ratio paper ratio parameter

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