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资源开 采 : 22 phrases in 11 subjects |
| Business | 1 |
| China | 1 |
| Earth sciences | 2 |
| Ecology | 5 |
| Economy | 2 |
| Engineering geology | 2 |
| Environment | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
| Water resources | 2 |
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