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| 拦水排水沟 | |||
| 截流排水沟 | |||
| 截水盲沟; 截流排水沟; 截流排水道; 集流沟 | |||
| 截水沟 | |||
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| 截流排水道; 截水沟 | |||
| 中间疏水; 截获疏水 | |||
| intercepting drain: 2 phrases in 2 subjects |
| Hydraulics | 1 |
| Technology | 1 |
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