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| river bed straightening; stream straightening; rectification of river | |||
| channel alignment; rectification of channel | |||
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| river straightening | |||
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| river cut-off | |||
| 河 道取直: 13 phrases in 4 subjects |
| Bridge construction | 6 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 4 |
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