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| 水开采 | |||
| 地下水开采 | |||
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water mining : 18 phrases in 6 subjects |
| Desert science | 1 |
| Ecology | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Mining | 1 |
| Technology | 11 |
| Water resources | 1 |
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