 |
| |||
| heavier-than-air machine (Sergei Aprelikov) | |||
| аппарат тяжелее воздуха: 10 phrases in 7 subjects |
| Aerodynamics | 2 |
| Aerohydrodynamics | 1 |
| Aviation | 1 |
| General | 3 |
| Makarov | 1 |
| Missiles | 1 |
| Technology | 1 |
|
| |||
| heavier-than-air machine (Sergei Aprelikov) | |||
| аппарат тяжелее воздуха: 10 phrases in 7 subjects |
| Aerodynamics | 2 |
| Aerohydrodynamics | 1 |
| Aviation | 1 |
| General | 3 |
| Makarov | 1 |
| Missiles | 1 |
| Technology | 1 |