短語詞組短語combination fire smoke damper 複郃式防火防菸閥Fire resieting damper 防火閥fire volume damper 防火風(fēng)量調(diào)節(jié)閥Fire Resistant Damper 防火閥Fire resisting damper [安全]防火閥;防火閥fire -resisting damper 防火閥;防火擋板ceiling fire damper 吊頂防火閥Fire damper control unit 防火風(fēng)?？刂茊卧?/li>smoke and fire damper 防火閥 返回 fire damper