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计 航 器 : 65 phrases in 10 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 20 |
| Electronics | 6 |
| General | 1 |
| Shipbuilding | 2 |
| Skydiving | 1 |
| Space | 21 |
| Technology | 11 |
| United States | 1 |
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