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| 流域集水 | |||
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catchment water : 31 phrases in 10 subjects |
| Agriculture | 3 |
| Bridge construction | 1 |
| Desert science | 2 |
| Ecology | 2 |
| Engineering geology | 5 |
| Environment | 1 |
| Hydroelectric power stations | 3 |
| Technology | 10 |
| Textile industry | 1 |
| Water resources | 3 |
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