fluid filter meaning in English

流体过滤器
液体过滤器

Test method for determining the sieving performance of a fluid filter medium employing an aqueous suspension of microspheres and a spectrophometer
用微球体的含水悬浮液体和分光光度计测定液体过滤器筛分性能的测试方法
Aerospace series - methods for determining the contamination of used fluid filter elements - part 1 : gravimetric determination of particulate contamination by taking material samples
航空航天系列.用过的液体过滤器元件污染情况测定方法