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航空信息
 航空信息
avia. aeronautical information
| 手册
 手册
gen. guide
avia. hand book
econ. guide book
met. book; directory
space companion
sport. manual; guidebook
tech. handbook

to phrases
航空信息
avia. aeronautical information
航空信息: 62 phrases in 10 subjects
Air defense2
Aviation41
Earth sciences1
Electronics5
General1
Information technology1
Shipbuilding1
Space4
Technology2
United States4