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| 凝聚沉淀法 | |||
| 凝结沉淀; 混凝沉淀 | |||
| 凝结沉降 (作用); 混凝沉淀 (法) | |||
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coagulating sedimentation : 3 phrases in 2 subjects |
| Technology | 2 |
| Water resources | 1 |
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