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双级
shuāngjí
avia.
two-stage
tech.
twin-stage
双级:
227 phrases
in 37 subjects
Agriculture
1
Air defense
1
Automobiles
41
Aviation
1
Business
2
Compressors
1
Construction
1
Desert science
1
Drilling
2
Earth sciences
1
Ecology
2
Electric machinery
2
Electronics
10
Engineering geology
1
General
4
Genetics
1
Hydroelectric power stations
1
International trade
1
Metallurgy
2
Nautical
4
Nursing
2
Oil / petroleum
10
Otorhinolaryngology
4
Plastics
3
Refrigeration
25
Rowing
4
Sailing ships
1
Securities
1
Shipbuilding
2
Space
6
Sports
1
Statistics
2
Technology
80
Telecommunications
1
Textile industry
3
Water resources
1
Wind Energy
1
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