отложение наносов: 68 phrases in 12 subjects |
Construction | 4 |
General | 1 |
Geology | 7 |
Geophysics | 4 |
Hydrography | 5 |
Hydrology | 18 |
Mining | 1 |
Natural resourses and wildlife conservation | 3 |
Nautical | 1 |
Oceanography & oceanology | 5 |
Technology | 1 |
Water supply | 18 |