| 1. | Soil erosion is a main contributor to water pollution . 土壤侵蚀是水污染的一个主要根源。 |
| 2. | Chemical engineers have considerable background that is applicable to water pollution problems . 化学工程技术人员具有相当多的适用于解决水污染问题的基础知识。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | On control planning of water pollution in nantong city 南通市水污染控制规划研究 |
| 6. | Red tides also can be made worse by water pollution 另外,水污染也会加剧赤潮。 |
| 7. | Development of mathematic model of ground water pollution 地下水污染数学模型综述 |
| 8. | Optical water pollution measurement and detection equipment 光学水质污染检测设备 |
| 9. | How to control the water pollution is a big problem 如何控制水污染是一个大问题。 |
| 10. | Analysis on the cause of water pollution in jieshou county 界首市水质污染原因分析 |