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to phrases
水平数
avia.
number level
水平数:
73 phrases
in 29 subjects
Agriculture
3
Aviation
3
Bridge
card game
2
Bridge construction
3
Business
5
Commerce
1
Drilling
1
Electronics
3
Engineering geology
3
Explosives and Explosive Ordnance Disposal
1
Finances
3
General
1
Geophysics
1
Golf
1
Hydroelectric power stations
2
Information technology
3
International trade
1
Mining
2
Multimedia
1
Nautical
2
Oil / petroleum
1
Project management
3
Soil science
2
Space
1
Sports
1
Technology
20
Telecommunications
1
Textile industry
1
Water resources
1
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