circuit principal /SCIENCE,ENG-ELECTRICAL/
[DE] Hauptkreis
[EN] ring main system
[FR] circuit principal
circuit principal /ENG-ELECTRICAL/
[DE] Hauptstrombahn
[EN] main circuit
[FR] circuit principal
circuit principal /ENG-MECHANICAL,ENG-ELECTRICAL/
[DE] Hauptstromkreis
[EN] primary series circuit
[FR] circuit principal
circuit de puissance,circuit de traction,circuit principal /ENG-ELECTRICAL/
[DE] Hauptstromkreis; Zugstromkreis
[EN] main circuit; power circuit; traction circuit
[FR] circuit de puissance; circuit de traction; circuit principal