air preheater /ENG-MECHANICAL/
[DE] Luftvorwaermer
[EN] air preheater
[FR] réchauffeur d' air
air heater,air preheater /ENG-ELECTRICAL/
[DE] Lufterhitzer; Luftvorwaermer; Luvo
[EN] air heater; air preheater
[FR] réchauffeur; réchauffeur d' air; échauffeur d' air