“排烟防火阀”的概念、定义、翻译、参考文献-科学参考

单词	排烟防火阀
释义	排烟防火阀 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	variant variant angina pectoris variant characters variant design Variant Dictionary (Taiwan Region of China) variant forms of term variant forms of the same word variants calculation variants of a formula variate variate-difference method variate in standard measure variate transformation Variation variation variational variational analysis variational Bayes variational calculus variational calculus in the large variational characteristic variational class variational condition variational data assimilation variational derivative

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