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газ бурения : 23 phrases in 11 subjects |
| Drilling | 2 |
| Geology | 2 |
| Karachaganak | 1 |
| Makarov | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 10 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
| Sakhalin | 1 |
| Technology | 1 |
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