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масляная плёнка stresses
avia.	couche d'huile
chem.	film d'huile
mech.eng.	film d'huile; film lubrifiant; pellicule de lubrifiant; épilamen m
met.	pellicule d'huile
nat.res.	pellicule lubrifiante

масляная плёнка: 13 phrases in 3 subjects

Hydraulic engineering	1
Mechanic engineering	5
Trucks/Lorries	7