 |
| |||
| 防汛 | |||
| 防洪工作，措施 | |||
| 防洪工作; 防洪措施 | |||
| 防洪 | |||
| |||
| 防汛; 防洪工作; 防洪 | |||
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flood prevention : 15 phrases in 6 subjects |
| Bridge construction | 2 |
| China | 1 |
| Economy | 1 |
| Hydroelectric power stations | 5 |
| Technology | 4 |
| United Nations | 2 |
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