needle scratch filter

例句：

1. 1. The needle scratch filteris used to remove impurities fromthe water before it is distributed to consumers.
   针式刮刀过滤器用于在将水分配给消费者之前去除其中的杂质。
2. 2. Theneedle scratch filter is an effective way toprevent bacteria growth in food processing.
   针式刮刀过滤器是防止食品加工中细菌生长的有效方法。
3. 3. The needle scratch filter iscommonly used in hospitals to sterilize medicalequipment and surfaces.
   针式刮刀过滤器在医院中常用于消毒医疗设备和表面。