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| marque de niveau; cote de niveau | |||
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отметка уровня : 25 phrases in 8 subjects |
| Geology | 2 |
| Hydraulic engineering | 10 |
| Hydrography | 1 |
| Natural resourses and wildlife conservation | 2 |
| Oil and gas technology | 2 |
| Surveying | 3 |
| Technology | 3 |
| Water resources | 2 |
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