Anh
angle of Vee
groove angle
included angle
Đức
Oeffnungswinkel
Pháp
angle d'ouverture
Oeffnungswinkel /INDUSTRY-METAL/
[DE] Oeffnungswinkel
[EN] angle of Vee; groove angle; included angle
[FR] angle d' ouverture
Oeffnungswinkel /INDUSTRY,INDUSTRY-CHEM/
[EN] groove angle; included angle