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appraisal well drilling | |||
appraisal drilling | |||
drilling for mine planning projects (Leonid Dzhepko) |
оценочное бурение : 10 phrases in 7 subjects |
Gold mining | 2 |
Oil / petroleum | 2 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Oilfields | 1 |
Sakhalin S | 1 |
Technology | 1 |