 |
| |||
| total friction head | |||
| |||
| total friction head | |||
| суммарные потери на трение: 2 phrases in 2 subjects |
| Firefighting and fire-control systems | 1 |
| Oil and gas technology | 1 |
|
| |||
| total friction head | |||
| |||
| total friction head | |||
| суммарные потери на трение: 2 phrases in 2 subjects |
| Firefighting and fire-control systems | 1 |
| Oil and gas technology | 1 |