Việt
quạt xả
Anh
vent fan
air-bleeding valve
deaerating valve
vent valve
Đức
Entluefter
Entlueftungsventil
Pháp
soupape à désaeration
air-bleeding valve,deaerating valve,vent fan,vent valve /TECH,ENG-MECHANICAL/
[DE] Entluefter; Entlueftungsventil
[EN] air-bleeding valve; deaerating valve; vent fan; vent valve
[FR] soupape à désaeration