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| controlling river | |||
| realign river courses | |||
| 整治 河 道: 44 phrases in 10 subjects |
| Bridge construction | 6 |
| China | 1 |
| Earth sciences | 2 |
| Ecology | 4 |
| Electronics | 3 |
| Engineering geology | 1 |
| Hydroelectric power stations | 10 |
| Oil / petroleum | 1 |
| Technology | 15 |
| Water resources | 1 |
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