过滤器的过滤网一年至少要维护两次。
The strainer screen should be serviced at least twice a year.
用户和保养机构需要使用大量的清洁程序来去除聚合物过滤器中金属过滤网上的残余聚合物和添加物。
There are a number of cleaning processes employed by end-users and commercial service groups to remove residual polymer and additives from metallic filters used in polymer filtration.
过滤器包括带有连续通孔的过滤网，在过滤网的上表面粘接有高温分解的缓冲层。
The filter comprises a filter meshwork with continuous through holes, a pyrolysis buffer layer is stuck on the upper surface of the filter meshwork.
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