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| 水坝; 水力冲积堤 | |||
| hydraulic dam: 23 phrases in 8 subjects |
| Desert science | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 4 |
| Metallurgy | 2 |
| Technology | 7 |
| Water resources | 5 |
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