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| нефтедобывающий регион | |||
| нефтеносная площадь | |||
| продуктивный пояс | |||
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产油区 : 8 phrases in 4 subjects |
| General | 2 |
| Geology | 2 |
| Oil / petroleum | 2 |
| Oilfields | 2 |
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