 |
| |||
| высоконапорный затвор с замещающим кольцом | |||
| follower gate: 6 phrases in 4 subjects |
| Hydraulic engineering | 2 |
| Oil and gas technology | 1 |
| Shipbuilding | 1 |
| Technology | 2 |
|
| |||
| высоконапорный затвор с замещающим кольцом | |||
| follower gate: 6 phrases in 4 subjects |
| Hydraulic engineering | 2 |
| Oil and gas technology | 1 |
| Shipbuilding | 1 |
| Technology | 2 |