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无线电航向 | |
avia. | heading of station |
定位图 | |
el. | arrangement drawing |
eng.geol. | setting out plan |
space | location map |
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heading of station |
无线电航向: 45 phrases in 10 subjects |
Air defense | 4 |
Aviation | 14 |
Communications | 1 |
Electronics | 2 |
General | 1 |
Information technology | 1 |
Oil / petroleum | 2 |
Skydiving | 1 |
Space | 3 |
Technology | 16 |