| 1. | Discussions on urban sewage resources in hebei province
河北省城市污水资源化浅析 |
| 2. | Urban sewage treatment technologies and their development
城市污水处理技术及其发展 |
| 3. | Article 19 urban sewage shall be centrally treated
第十九条城市污水应当进行集中处理。 |
| 4. | Urban sewage treatment has doubled since 2001
从2001年以来，城市污水处理率提高了一倍。 |
| 5. | Urban sewage treatment and reutilization in daqing city
大庆市城市污水处理与回用问题探析 |
| 6. | The present situation and prospect of the urban sewage treatment
城市污水处理的现状及展望 |
| 7. | Forecasting model of urban sewage discharge based on grey verhulst
的城市污水排放量预测模型 |
| 8. | A basic research on heat energy resource stored in urban sewage
城市污水热能资源化的基础研究 |
| 9. | Discussion on control model for urban sewage treatment system
探讨城市污水处理系统的控制模式 |
| 10. | The urban sewage water control system
城市污水处理控制系统 |
