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to phrases
回气
huíqì
eng.geol.
return air
oil
air return
回 气
:
356 phrases
in 32 subjects
Agriculture
2
Architecture
3
Automobiles
37
Aviation
8
Chemistry
1
Compressors
4
Computer numerical control
1
Desert science
1
Earth sciences
3
Ecology
6
Electric machinery
6
Electronics
29
Environment
1
Explosives and Explosive Ordnance Disposal
5
Finances
1
Food industry
1
General
10
Household appliances
1
Hydroelectric power stations
3
Metallurgy
47
Nautical
7
Oil / petroleum
25
Oil processing plants
12
Plastics
4
Racing and motorsport
1
Rail transport
1
Refrigeration
17
Shipbuilding
2
Space
8
Technology
107
Textile industry
1
Wind Energy
1
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