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| well control (MichaelBurov) | |||
| регулирование скважины: 20 phrases in 8 subjects |
| Drilling | 3 |
| Geology | 1 |
| Mining | 1 |
| Oil / petroleum | 8 |
| Oil and gas technology | 3 |
| Sakhalin | 2 |
| Technology | 1 |
| Transport | 1 |
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