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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。
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precast concrete frame structure with specially shaped columns
precast concrete shear wall structure
precast concrete structure
precast concrete track beam
precast pavement
precast prestressed composite floor slab
precast prestressed hollow floor slab
pre-cataclysmic binary
pre-cataclysmic variable
precategory
precaution
precautionary approach
precautionary demand for money
precautionary principle
precautionary principle of biosafety assessment
precautionary principle of EMF
precaval vein
precedance relation in dependency tree
precedence
precedence function
precedence grammar
precedence method
precedence relation
precedent anthologies
precedent as reference in a trial
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更新时间:2025/7/4 13:17:51