 |
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| Flächensystem n | |||
| система поверхности: 20 phrases in 12 subjects |
| Aerodynamics | 2 |
| Aviation | 2 |
| Food industry | 5 |
| General | 1 |
| Geology | 1 |
| Mathematics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |
| Optics branch of physics | 1 |
| Polymers | 1 |
| Shipbuilding | 1 |
| Technology | 3 |