air changes per hour /ENG-MECHANICAL/
[DE] Luftwechselrate
[EN] air changes per hour
[FR] taux de circulation d' air
air changes per hour,rate of air circulation /ENG-MECHANICAL/
[DE] Luftdurchsatz; Luftumlaufzahl; Luftwechselzahl
[EN] air changes per hour; rate of air circulation
[FR] taux de brassage; taux de circulation d' air