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| wing undersurface; windward side | |||
| pressure side of a wing; wing underside; lower wing; upwind wing (при полете с углом атаки); windward wing (при полете с углом атаки) | |||
| wing lower surface; lower wing surface | |||
| pressure side; pressure zone | |||
| underwing | |||
| bottom side of wing | |||
| нижняя поверхность крыла: 4 phrases in 3 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 2 |
| Aviation | 1 |