“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	plummet plumose structure/feather like structure Plum Performance Award plum pudding model plum rains plum rains in the Yangtze-Huaihe region plum-stone qi plumule plunge plunge direction plunge grinding plunge pool plunger plunger gas lift plunger gas lift method plunger pump plunging pluperfect number plural pluralism pluralist democracy pluralistic evaluation Pluralistic views of Public Administration plurality plurality system

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。