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водные ресурсы | |||
водоисточник; источник воды |
source of water: 17 phrases in 11 subjects |
Ecology | 3 |
Firefighting and fire-control systems | 2 |
General | 1 |
Geology | 2 |
Hydrology | 1 |
Makarov | 1 |
Medical | 1 |
Military | 1 |
Oil / petroleum | 3 |
Technology | 1 |
Water resources | 1 |