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| pilot bore (при горизонтально-направленном бурении VPK) | |||
| pilot drill hole (MichaelBurov); pilot drillhole (MichaelBurov); pilot hole (MichaelBurov); pilot drill-hole (MichaelBurov); pilot well (Jenny1801) | |||
| пилотная скважина: 7 phrases in 5 subjects |
| Caspian | 2 |
| Drilling | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Technology | 1 |