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pré-aquecimento
agric. préchauffage m
industr., construct., chem. traitement par bain expansé; traitement par dilatation thermique; chauffage préliminaire
pré-aquecimento
: 65 phrases in 12 subjects
Chemistry2
Coal1
Electric traction2
Electronics6
Industry25
Lighting other than cinema4
Mechanic engineering1
Metallurgy17
Technology1
Thermal Energy1
Transport4
Vacuum tubes1