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| трубопроводный транспорт | |||
| служба трубопроводного транспорта | |||
| обслуживание трубопроводов | |||
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pipeline service : 18 phrases in 9 subjects |
| Construction | 2 |
| Economics | 2 |
| Energy industry | 1 |
| Military | 5 |
| Oil / petroleum | 2 |
| Oil and gas | 2 |
| Programming | 1 |
| Technology | 2 |
| United States | 1 |