Việt
vòng phương vị
Anh
azimuth circle
azimuthal
graduated circle
protractor
Đức
Azimuthkreis
Pháp
cercle azimutal
azimuth circle,graduated circle,protractor /SCIENCE,TECH/
[DE] Azimuthkreis
[EN] azimuth circle; graduated circle; protractor
[FR] cercle azimutal
azimuth circle, azimuthal
o vòng phương vị