| 1. | The american water works association and the water pollution control federation have become collaborators in its preparation . 美国水工程协会和水污染控制联合会在其准备中已协同工作。 |
| 2. | In this connection, it is appropriate to recall the guidelines of the united states federal water pollution control act of 1972 . 在这方面,我们应回忆一下美联邦1972年水污染控制法所制定的准则。 |
| 3. | On control planning of water pollution in nantong city 南通市水污染控制规划研究 |
| 4. | Cap model for regional water pollution control system 区域水污染控制系统规划辅助模型研究 |
| 5. | On countermeasures of water pollution control of tgp reservoir 三峡水库水污染控制对策研究 |
| 6. | Economic approaches to the control and management on water pollution 水污染控制与管理的经济手段 |
| 7. | A study on water pollution system planning of fuyanghe river 滏阳河市区段水污染控制系统规划的研究 |
| 8. | Study of water pollution control planning for changzhou new developed area 常州新区水污染控制规划研究 |
| 9. | Water conservation and pollution control 节水及水污染控制 |
| 10. | Application of fuzzy synthetic evaluation in water pollution control 模糊综合评价在水污染控制中的应用 |