Compared with the uniform media filter, the fiber filter has obvious advantages in filtration rate, sewercapacity, filtration precision and filtration cycle, etc.
纤维滤料与匀质滤料相比，纤维滤料在过滤速度、截污容量、过滤精度、过滤周期等方面均有明显的优势。
2
The old city sewer drainage could not solve the city drainage problems, and the urban rainwater runoff generates far beyond the original design capacity.