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первичная энергия stresses
energ.ind.	natural energy
tech.	crude energy; primary energy
therm.eng.	primary power

первичная энергия: 44 phrases in 19 subjects

Construction	2
Ecology	3
Economy	1
Electrical engineering	1
Electronics	2
Energy industry	13
Energy system	1
Environment	1
European Bank for Reconstruction and Development	1
Forestry	1
General	2
Geology	2
Metallurgy	2
Nanotechnology	1
Oil / petroleum	1
Physics	2
Programming	2
Technology	5
Weapons of mass destruction	1