Anh
back pressure
return pressure
reverse pressure
Đức
Gegendruck
Rücklaufdruck
Pháp
contre-pression
pression de retour
contre-pression,pression de retour /SCIENCE,ENG-MECHANICAL/
[DE] Gegendruck; Rücklaufdruck
[EN] back pressure; return pressure; reverse pressure
[FR] contre-pression; pression de retour