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冷气 lěngqì
gen.	cool
archit.	cold air
space	cold gas
tech.	cooling air
冷空气
tech.	cold air

冷气: 1247 phrases in 53 subjects

Agriculture	25
Animal husbandry	15
Architecture	10
Automobiles	98
Aviation	66
Bridge construction	2
Business	7
Chemistry	24
Compressors	10
Computer numerical control	1
Construction	4
Desert science	4
Drilling	3
Earth sciences	12
Ecology	7
Economy	3
Electric machinery	27
Electronics	115
Food industry	3
General	35
Hydroelectric power stations	7
Hydrology	1
International trade	3
Laboratory equipment	2
Life sciences	2
Management	2
Mechanic engineering	1
Mechanics	3
Metallurgy	83
Municipal planning	1
Nautical	18
Nuclear and fusion power	6
Nuclear physics	10
Nursing	1
Oil / petroleum	32
Oil processing plants	12
Physics	1
Plastics	5
Racing and motorsport	1
Radio	1
Rail transport	5
Refrigeration	66
Shipbuilding	32
Skydiving	1
Space	38
Sports	3
Steel production	3
Technology	403
Telecommunications	1
Textile industry	7
Water resources	2
Welding	1
Wind Energy	22