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| 沉砂池 | |||
| 滤砂池; 沉沙井; 沉沙池; 沉沙槽 | |||
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| 沉〔滤〕沙池 | |||
| 沉沙池 | |||
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sand basin : 8 phrases in 3 subjects |
| Hydroelectric power stations | 3 |
| Hydrology | 1 |
| Technology | 4 |
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