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| 河流过水断面 | |||
| 河流截面; 河流横剖面; 河流横断面; 河段; 河槽断面 | |||
| river section: 37 phrases in 8 subjects |
| Bridge construction | 3 |
| Desert science | 2 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| General | 1 |
| Hydroelectric power stations | 6 |
| Technology | 22 |
| Water resources | 1 |
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