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| 河道整治; 河道治理 (improvement) | |||
| 治河; 河流治导; 河流导治; 河道导治 | |||
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| 水流控制工程 | |||
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river training : 14 phrases in 4 subjects |
| Bridge construction | 1 |
| Ecology | 2 |
| Hydroelectric power stations | 5 |
| Technology | 6 |
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