Anh
mask
orifice plate
Đức
Blendenscheibe
Pháp
cache
diaphragme
plaque perforée
plaque à orifice
Blendenscheibe /INDUSTRY-CHEM/
[DE] Blendenscheibe
[EN] mask
[FR] cache
[EN] orifice plate
[FR] diaphragme; plaque perforée; plaque à orifice