noise reduction friction co

同义词释义

1)noise reduction friction co,减音多孔道路面层2)noise reduction friction course,减音多孔道路面层3)noise reduction,减音量4)sound absorber,减音材料5)deafener,exhaust silencer,减音器6)deafener,减音器7)silencer,减音器8)exhaust silencer,减音器9)loss of sound,减音或脱落10)noise reducing devices,减音量设施