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| 石油勘探 | |||
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| 石油勘探 (无需定义。) | |||
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oil exploration : 33 phrases in 10 subjects |
| China | 1 |
| Company name | 10 |
| Earth sciences | 3 |
| Economy | 2 |
| Exhibitions | 1 |
| Geology | 4 |
| Navigation | 1 |
| Oil / petroleum | 4 |
| Technology | 6 |
| Water resources | 1 |
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