crude suction strainer

例句：

1. 1.The crude suction strainer was used to remove impurities from the oil.
   粗吸滤器被用来从油中去除杂质。
2. 2. The crude suction strainer was used to filter out the fine particles in the air.
   粗吸滤器被用来过滤空气中的细小颗粒。
3. 3. The crude suction strainer was used to clean the surface of the equipment.
   粗吸滤器被用来清洁设备的表面。