You also can filter the contents of a list feed or a cell feed, such that the feed returns only rows or cells matching specific criteria.
还可以过滤列表提要或单元格提要的内容，从而使提要只返回匹配特定条件的行或单元格。
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Normal person (the person with immune sound system) hepatic interior is to present asepsis position, because it has defence cell, can filter bacterium of entered cause of disease and eliminate.
Precision filter, namely core filter, can further remove the suspended solids and other impurity in the water, it is made of micro hole chinaware, micro hole non-toxin plastic and cell pipe core.