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| управление поворотом лопастей; регулирование шага | |||
| blade control: 50 phrases in 13 subjects |
| Astronautics | 2 |
| Automobiles | 4 |
| Aviation | 3 |
| Construction | 1 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| Hydraulic engineering | 1 |
| Military | 4 |
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| Nautical | 5 |
| Technology | 22 |
| Wood processing | 1 |