| |||
| сечение канала | |||
|
section of canal : 5 phrases in 3 subjects |
| Fish farming pisciculture | 1 |
| Hydraulic engineering | 1 |
| Technology | 3 |
| |||
| сечение канала | |||
|
section of canal : 5 phrases in 3 subjects |
| Fish farming pisciculture | 1 |
| Hydraulic engineering | 1 |
| Technology | 3 |