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ground-air; ground-to-plane; land-air | |||
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ground-to-air | |||
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surface-to-air |
地 对空的 : 24 phrases in 9 subjects |
Air defense | 1 |
Aviation | 9 |
Business | 1 |
Earth sciences | 1 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 5 |
Space | 2 |
Sports | 1 |