fire damper
短语词组
- combination fire smoke damper 复合式防火防烟阀
- Fire resieting damper 防火阀
- fire volume damper 防火风量调节阀
- Fire Resistant Damper 防火阀
- Fire resisting damper [安全]防火阀;防火阀
- fire -resisting damper 防火阀;防火挡板
- ceiling fire damper 吊顶防火阀
- Fire damper control unit 防火风闸控制单元
- smoke and fire damper 防火阀 返回 fire damper