 |
| |||
| twin props (УПОК translator911); dual props (УПОК translator911) | |||
| два винта: 22 phrases in 10 subjects |
| Aerohydrodynamics | 5 |
| Automated equipment | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Dental implantology | 1 |
| Makarov | 5 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Technology | 2 |
| Transport | 3 |