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| гидротехнический | |||
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hydrotechnical : 20 phrases in 11 subjects |
| Agriculture | 2 |
| Construction | 1 |
| Ecology | 3 |
| Electronics | 1 |
| General | 2 |
| Hydraulic engineering | 1 |
| Makarov | 2 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 1 |
| Technology | 5 |