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| oil pipe; oil tube | |||
| нефтяная труба: 34 phrases in 10 subjects |
| Drilling | 4 |
| Geology | 3 |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 9 |
| Oil and gas | 3 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
| Pipelines | 9 |
| Technology | 1 |
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