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| бурение наклонных скважин | |||
| наклонное бурение | |||
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钻斜井 : 12 phrases in 6 subjects |
| Drilling | 5 |
| General | 1 |
| Geology | 2 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Technology | 1 |
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