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| напор трубопровода: 19 phrases in 11 subjects |
| Astronautics | 2 |
| Construction | 1 |
| Energy industry | 1 |
| Firefighting and fire-control systems | 2 |
| Hydraulic engineering | 3 |
| Makarov | 1 |
| Military | 2 |
| Nautical | 3 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Technology | 1 |