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marque de niveau; cote de niveau |
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 |