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Luftzufuhr f =
gen.	air supply
chem.	air admission; air inlet
construct.	air intake
meas.inst.	air input
met.	admission of air
tech.	air flow; air flow rate
textile	aeration
transp.	induction; inlet; intake

Luftzufuhr: 7 phrases in 7 subjects

Agriculture	1
Coal	1
Construction	1
Electronics	1
Health care	1
Mining	1
Ventilation	1