Anh
principal arm
main branch
main channel
Đức
Hauptzweig
Hauptarm
Pháp
bras principal
chenal principal
cours principal
bras principal /ENG-ELECTRICAL/
[DE] Hauptzweig
[EN] principal arm
[FR] bras principal
bras principal,chenal principal,cours principal /SCIENCE/
[DE] Hauptarm
[EN] main branch; main channel
[FR] bras principal; chenal principal; cours principal