“fire damper in smoke-venting system”的概念、定义、翻译、参考文献-科学参考

单词	fire damper in smoke-venting system
释义	fire damper in smoke-venting system Encyclopedia 工学防排烟技术释 fire damper in smoke-venting system排烟防火阀安装在机械排烟系统的管道上起隔烟阻火作用的阀门。平时呈开启状态，火灾时当排烟管道内烟气体温度达到280℃时关闭。
随便看	qucha quchi Quchongbanjiuju Quchongbanjiuju Zhusheye Qucun flood diversion sluice Qucun-Tianma Qucun-tianma Site Qu Dajun Q/U decomposition Qudeng Nima Fengjing Mingshengqu qudit Qu Duizhi qudu soup Queanbeyan Quebec Quebec Act Quebec Bridge accident Quebec Citdel Quebec City–Windsor Corridor Quebec Conference,1864 QuebecConferences（1943，1944） Quebecor Media Book Group Quebec Province Quebec Referendum(1980) Quebec Referendum，1995

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