 |
| |||
| lighter-than-air | |||
| lighter than air | |||
| |||
| lighter-than-air | |||
| легче воздуха: 42 phrases in 11 subjects |
| Aerodynamics | 1 |
| Aerohydrodynamics | 1 |
| Aviation | 11 |
| General | 4 |
| International transportation | 1 |
| Makarov | 5 |
| Mathematics | 1 |
| Medical | 1 |
| Military | 8 |
| Military aviation | 1 |
| Technology | 8 |