 |
| |||
| airport system (ssn) | |||
| система аэропорта: 35 phrases in 6 subjects |
| Airports and air traffic control | 1 |
| Astronautics | 1 |
| Aviation | 15 |
| General | 2 |
| Military | 13 |
| Technology | 3 |
|
| |||
| airport system (ssn) | |||
| система аэропорта: 35 phrases in 6 subjects |
| Airports and air traffic control | 1 |
| Astronautics | 1 |
| Aviation | 15 |
| General | 2 |
| Military | 13 |
| Technology | 3 |