Chinese translation for "backvent"

背通气管
虹吸排气管

Similar Words：

"backuwater injector" Chinese translation, "backuyaw damper unit" Chinese translation, "backvall" Chinese translation, "backveld" Chinese translation, "backvelder" Chinese translation, "backventing" Chinese translation, "backview" Chinese translation, "backwall" Chinese translation, "backwall echo" Chinese translation, "backwall injection" Chinese translation