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отверстие для выпуска воздуха stresses
auto.	air outlet; air bleed hole (напр. в клапане)
mech.eng., obs.	air port
met.	vent hole
metrol.	air bleed
nautic.	air escape
oil	air opening
pack.	air hole
refrig.	exhaust
therm.eng.	deflation vent
transp.	air bleed hole; venting hole

отверстие для выпуска воздуха: 2 phrases in 2 subjects

Automobiles	1
Oil / petroleum	1