- filter tipn.过滤嘴;
- filter through透过，滤过;
- filter papern.滤纸（尤指定量滤纸）;
- filter out滤除，过滤;（消息等）泄漏;
- 双语例句
1、
Objective : To study the effect of activated bio - filter on microorganism of domestic sewage and hospital sewage.
目的: 了解生物滤池对生活污水及医院污水微生物的影响.
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