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| труба для трубопровода: 28 phrases in 14 subjects |
| Caspian | 1 |
| Energy industry | 1 |
| General | 1 |
| Logistics | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 4 |
| Oilfields | 2 |
| Pipelines | 6 |
| Rail transport | 2 |
| Sakhalin | 2 |
| Technology | 3 |
| Transport | 1 |