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air circuit stresses
gen.	воздушная цепь (zzaa); воздуховод (soa.iya)
tech.	воздушный контур (I. Havkin)
therm.eng.	воздушный тракт

air circuit: 99 phrases in 28 subjects

Automated equipment	3
Automobiles	6
Aviation	1
Caspian	1
Electrical engineering	8
Electronics	5
Energy industry	7
Firefighting and fire-control systems	2
Food industry	2
Makarov	2
Mass media	1
Mathematics	1
Microelectronics	1
Military	6
Nautical	1
Occupational health & safety	1
Oil / petroleum	2
Public utilities	1
Rail transport	1
Refrigeration	5
Security systems	1
Silicate industry	2
Technology	33
Tengiz	1
Thermal engineering	1
Transport	1
Ventilation	1
Weapons of mass destruction	2