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| borehole set (подземного газогенератора); row of holes (подземного газогенератора); row of wells (подземного газогенератора) | |||
| log of holes | |||
| ряд скважин: 29 phrases in 10 subjects |
| Drilling | 2 |
| Gas processing plants | 5 |
| Geology | 1 |
| Gold mining | 1 |
| Mining | 6 |
| Oil / petroleum | 7 |
| Oil and gas | 3 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
| Sakhalin | 1 |