 |
| |||
| Kreisbogenabschnitt m (alfadeus) | |||
| Zirkelbogen m | |||
| Kreisbogen m | |||
| дуга окружности: 40 phrases in 11 subjects |
| Aerodynamics | 1 |
| Automobiles | 1 |
| Aviation | 5 |
| Electronics | 2 |
| Energy industry | 4 |
| Engines | 1 |
| Machine components | 13 |
| Mathematics | 9 |
| Shipbuilding | 1 |
| Technology | 2 |
| Wood processing | 1 |