| 1. | Sludge liquor is recirculated in the secondary system .
污泥水回流到二级处理系统。 |
| 2. | They demand more services such as sewage and drainage .
他们还要求诸如污物处理系统和下水道系统这样的设施。 |
| 3. | Cadmium treatment is likely to be integrated with other treatment schemes .
镉的处理可能与其它处理系统结合起来。 |
| 4. | Research is needed to reduce the space required for biological treatment systems .
要研究如何降低生化处理系统的占地面积。 |
| 5. | They may contain toxic substances which have an adverse effect on biological systems .
工业废水中含有对生物处理系统有不良影响的有毒物质。 |
| 6. | Sludge liquor is recirculated in the secondary system to assure its purity before discharge .
该泥水回流到二级处理系统，以保证排放前的澄清度。 |
| 7. | It has been the responsibility of the engineers to synthesize this basic knowledge into practical systems of wastewater treatment that are effective and economical .
工程师们的任务就是把上述基础知识综合运用到经济有效的实际废水处理系统中去。 |
| 8. | Design of multi - dsp parallel processing system based on fpga
并行处理系统的设计 |
| 9. | Principle of digital tv ca receiving end ' s processing system
接收端处理系统原理 |
| 10. | Real - time infrared image processing system based on dsp
的实时红外图像处理系统 |
