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| нефтегазоносный регион | |||
| газонефтеносная область; нефтегазоносная область | |||
| нефтегазоносный район | |||
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含 油气区 : 35 phrases in 4 subjects |
| General | 2 |
| Geography | 27 |
| Geology | 5 |
| Oil and gas technology | 1 |
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