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| 泄水构筑物 | |||
| 出口建筑物; 泄水建筑物 | |||
| 出水构造; 排水构筑物; 排放设施 | |||
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| 出水口建筑物 | |||
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outlet structure : 9 phrases in 3 subjects |
| Hydroelectric power stations | 2 |
| Technology | 6 |
| Water resources | 1 |
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