Việt
cửa hạ năng suất lạnh
Anh
partial duty port
port hole
porthole
reveal
throat
Đức
Bypassoeffnung
Pháp
lumière de réduction de puissance
partial duty port, port hole, porthole, reveal, throat
partial duty port /SCIENCE,ENG-MECHANICAL/
[DE] Bypassoeffnung
[EN] partial duty port
[FR] lumière de réduction de puissance