 |
| |||
| lighter-than-air craft | |||
| аппараты легче воздуха: 15 phrases in 7 subjects |
| Aerohydrodynamics | 1 |
| Aviation | 1 |
| General | 1 |
| Makarov | 3 |
| Mathematics | 1 |
| Military | 4 |
| Technology | 4 |
|
| |||
| lighter-than-air craft | |||
| аппараты легче воздуха: 15 phrases in 7 subjects |
| Aerohydrodynamics | 1 |
| Aviation | 1 |
| General | 1 |
| Makarov | 3 |
| Mathematics | 1 |
| Military | 4 |
| Technology | 4 |