filter hut滤波器盒filtern.过滤器；滤色镜；滤光器v.过滤；渗透filter straining粗滤池filter synthesis滤波器合成, 滤波器综合filter equipment滤波装置filtered program过滤规划filtering message筛选消息filter collection滤膜filtered flue gas滤过的烟道气filtermass washer滤饼洗涤机filter receptacle过滤板插座filter-pressing压滤