free ultrafilter

例句：

1. 1. The new ultrafilter is designed to remove impurities from water with high efficiency.
   这款新的超滤器设计用来高效地从水中去除杂质。
2. 2.In the process of ultrafiltration, bacteria are removed from the treated water.
   在超滤过程中，细菌被从处理过的水中移除。
3. 3. The ultrafilter is a key component in the purification system used to treat industrial wastewater.
   超滤是用于处理工业废水的净化系统中的关键组件。