main channel /IT-TECH/
[DE] Hauptkanal
[EN] main channel
[FR] voie principale
main branch,main channel /SCIENCE/
[DE] Hauptarm
[EN] main branch; main channel
[FR] bras principal; chenal principal; cours principal
main channel,main river channel /SCIENCE/
[DE] Hauptgerinne
[EN] main channel; main river channel
[FR] chenal principal; cours d' eau principal