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| интервал в скважине | |||
| интервал | |||
| участок ствола скважины | |||
| 井段: 37 phrases in 8 subjects |
| Drilling | 22 |
| General | 1 |
| Geology | 2 |
| Geophysics | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Oilfields | 6 |
| Technology | 1 |
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