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тройник : 59 phrases in 18 subjects |
| Analytical chemistry | 1 |
| Antennas and waveguides | 2 |
| Armored vehicles | 1 |
| Automobiles | 1 |
| Aviation | 4 |
| Chemistry | 2 |
| Construction | 6 |
| Gardening | 4 |
| Hydraulic engineering | 1 |
| Hydrology | 1 |
| Mechanic engineering | 10 |
| Medical appliances | 1 |
| Melioration | 1 |
| Oil and gas technology | 3 |
| Radio | 11 |
| Technology | 6 |
| Trucks/Lorries | 3 |
| World war II | 1 |