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| 滚水溢洪道; 滚流溢水道; 坝顶溢流 | |||
| 顶部溢流式溢洪道; 溢洪道 | |||
| 溢流堰; 溢流排洪道; 洪水溢洪道; 洪水溢流道; 顶部溢洪道 | |||
| overflow spillway: 10 phrases in 2 subjects |
| Bridge construction | 1 |
| Technology | 9 |
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