écoulement permanent /SCIENCE,ENG-MECHANICAL/
[DE] stationaere Stroemung
[EN] constant flow; steady flow
[FR] écoulement permanent
régime permanent,écoulement permanent /SCIENCE/
[DE] stationäre Strömung; stationärer Abfluss
[EN] stationary flow; steady flow
[FR] régime permanent; écoulement permanent