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| variable-pitch propeller | |||
| воздушный винт с изменяемым шагом: 5 phrases in 3 subjects |
| Aerohydrodynamics | 1 |
| General | 1 |
| Technology | 3 |
|
| |||
| variable-pitch propeller | |||
| воздушный винт с изменяемым шагом: 5 phrases in 3 subjects |
| Aerohydrodynamics | 1 |
| General | 1 |
| Technology | 3 |