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| 连续式澄清器; 连续沉淀池; 连续式净化机 | |||
| 连续澄清装置; 连续澄清池 | |||
| continuous clarifier: 4 phrases in 4 subjects |
| Earth sciences | 1 |
| Ecology | 1 |
| Technology | 1 |
| Water resources | 1 |
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