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| 过水断面面积; 流域; 流动截面 | |||
| 水流断面; 有效面积; 过水断面; 流动断面; 有效断面; 河流断面有效截面; 实际断面; 流水断面; 净断面; 活断面 | |||
| 有效截面 | |||
| живое сечение: 29 phrases in 8 subjects |
| Construction | 6 |
| General | 4 |
| Geology | 4 |
| Hydrology | 4 |
| Metallurgy | 3 |
| Silicate industry | 1 |
| Technology | 6 |
| Water supply | 1 |
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