fire damper
短语词组
- combination fire smoke damper 複郃式防火防菸閥
- Fire resieting damper 防火閥
- fire volume damper 防火風量調節閥
- 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 防火風牐控制單元
- smoke and fire damper 防火閥 返回 fire damper