sewage filter

• 污水滤池

sewage filter的用法和样例：

例句

1. The buried integrated biofilter process was used to treat rural domestic sewage.
   采用地埋式一体化生物滤池工艺处理农村生活污水。
2. Backwashing is a critical part of effective operation of the novel aerobic filter used for wastewater tertiary treatment.
   好气滤池是一种用于污水深度处理的新型滤池。