self-washing filter

例句：

1. 1. This self-washing filter is designed to remove impurities from water.
   这个自洁过滤器设计用来去除水中的杂质。
2. 2. The self-washing filter in the car prevents dirt and dust from accumulating in the engine compartment.
   汽车中的自洁过滤器防止灰尘和污垢在引擎舱内积累。
3. 3. In hospitals, self-washing filters are used to sterilize patient rooms and equipment.
   在医院中，自洁过滤器被用于消毒病房和设备。