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| двойная поверхность: 15 phrases in 14 subjects |
| Antennas and waveguides | 1 |
| Armored vehicles | 1 |
| Automobiles | 1 |
| Construction | 1 |
| Drilling | 1 |
| Forestry | 1 |
| Geometry | 1 |
| Makarov | 1 |
| Mathematics | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Military | 1 |
| Technology | 1 |
| Transport | 1 |
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