Việt
Đường đo trực chuẩn
Anh
line of collimation
Đức
Kollimationslinie
Pháp
ligne de collimation
Line of collimation
Line of collimation [, kɔli' mei∫n]
line of collimation /SCIENCE,INDUSTRY/
[DE] Kollimationslinie
[EN] line of collimation
[FR] ligne de collimation