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| sewage sludge A semi-liquid waste with a solid concentration in excess of 2500 parts per million, obtained from the purification of municipal sewage (通过城市污水净化获得的，固体含量超过百万分之2500的半液体的废料。) | |||
| sewage sludge | |||
| wastewater sludge | |||
| 污水 污泥: 142 phrases in 13 subjects |
| Agriculture | 3 |
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| Technology | 99 |
| Waste management | 2 |
| Water resources | 11 |