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排烟防火阀
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排烟防火阀
Encyclopedia
工学
防排烟技术
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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。
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on-site inspection
on-site measurement
On site operation method
onsite purchasing
onsite quality control
on-site sampling technique
on-site situation assessment
on-site survey of Chinese materia medica resources
onsite technical service for concentrators
On socialist commodity economy
on-spot monitoring
On State Governance
On Style
Ontario Province
Ontario School Question
Ontario Workmen’s Compensation Act
On the 16th Night Stepping on the Lamp, Drinking with Qu Zhongyu and Wang Xinfu in the West Building of the Dazhong Bridge
On the Archival Science in contemporary China
On the Art of Building in Ten Books
On the Art of Poetry
On the Art of Suzhou Pingtan
On the Body
On the Citizen
On the Commonwealth
On the Correct Handling of Contradictions among the People
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更新时间：2026/6/26 17:20:28