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| river-basin | |||
| water catchment area; catchment basin; watershed (USA); drainage basin water catchment area | |||
| catchment area; drainage basin; hydrographic basin; river basin | |||
| drainage system (ciek powierzchniowy wraz z dopływami; A surface stream, or a body of impounded surface water, together with all other such streams and water bodies that are tributary to it and by which a region is drained. An artificial drainage system includes also surface and subsurface conduits) | |||
| basin; reservoir; drainage area | |||
| dorzecze: 4 phrases in 3 subjects |
| Earth sciences | 1 |
| Environment | 2 |
| Transport | 1 |