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| water basin protection | |||
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水源 区保护 : 23 phrases in 9 subjects |
| China | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 1 |
| Hydrology | 2 |
| Rail transport | 4 |
| Technology | 7 |
| Water resources | 5 |
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