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| triangular aerofoil section | |||
| triangular profile | |||
| triangular airfoil section (крыла) | |||
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| V- | |||
| треугольный профиль: 27 phrases in 11 subjects |
| Automobiles | 2 |
| Cables and cable production | 2 |
| Chemistry | 2 |
| Construction | 3 |
| Forestry | 2 |
| Hydraulic engineering | 1 |
| Makarov | 2 |
| Mechanic engineering | 7 |
| Quantum electronics | 1 |
| Technology | 4 |
| Water resources | 1 |