 |
| |||
| безопасная скорость | |||
| safety speed: 14 phrases in 6 subjects |
| Aerohydrodynamics | 1 |
| Airports and air traffic control | 1 |
| Astronautics | 2 |
| Aviation | 7 |
| Mechanic engineering | 2 |
| Sakhalin | 1 |
|
| |||
| безопасная скорость | |||
| safety speed: 14 phrases in 6 subjects |
| Aerohydrodynamics | 1 |
| Airports and air traffic control | 1 |
| Astronautics | 2 |
| Aviation | 7 |
| Mechanic engineering | 2 |
| Sakhalin | 1 |