 |
| |||
| лопастная гидрометрическая вертушка | |||
|
propeller-type meter : 4 phrases in 3 subjects |
| Electronics | 1 |
| Hydraulic engineering | 2 |
| Water resources | 1 |
|
| |||
| лопастная гидрометрическая вертушка | |||
|
propeller-type meter : 4 phrases in 3 subjects |
| Electronics | 1 |
| Hydraulic engineering | 2 |
| Water resources | 1 |