| |||
| сегментный затвор | |||
| |||
| сегментный затвор | |||
|
vanne segment : 11 phrases in 4 subjects |
| Construction | 1 |
| Hydraulic engineering | 7 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |
| |||
| сегментный затвор | |||
| |||
| сегментный затвор | |||
|
vanne segment : 11 phrases in 4 subjects |
| Construction | 1 |
| Hydraulic engineering | 7 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |