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| 河流整治; 治河 | |||
| 河流治理; 河道整治 | |||
| 河流治导; 河流控制; 河道治理; 河道控制 | |||
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river control : 14 phrases in 4 subjects |
| Earth sciences | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 3 |
| Technology | 9 |
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