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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 |