Umluft /SCIENCE/
[DE] Umluft
[EN] recirculated air
[FR] air recirculé; air recyclé
Umluft /SCIENCE,INDUSTRY-METAL/
[DE] Umluft
[EN] convection
[FR] convection
Umluft /TECH,ENG-MECHANICAL/
[DE] Umluft
[EN] circulating air
[FR] air de circulation; air recyclé