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combination fire smoke damper是什么意思
中文翻译复合式防火防烟阀
网络释义
1)combination fire smoke damper,复合式防火防烟阀2)smoke fire damper,排烟防火阀3)Fire dampers,防烟防火调节阀4)manual reset type fire damper,人工复位式防火阀5)composite fire door,复合防火门6)smokeproof damper,防烟阀
用法例句
This paper analyses the problems about the control of the mechanical smoke extraction system,and discusses the problem about smoke fire dampers and smoke exhausting fans.
