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| navigation and traffic control | |||
| навигация и управление воздушным движением: 13 phrases in 5 subjects |
| Astronautics | 1 |
| Electronics | 3 |
| Makarov | 1 |
| Military | 6 |
| Technology | 2 |
|
| |||
| navigation and traffic control | |||
| навигация и управление воздушным движением: 13 phrases in 5 subjects |
| Astronautics | 1 |
| Electronics | 3 |
| Makarov | 1 |
| Military | 6 |
| Technology | 2 |