除去绝缘油中固体杂质的主要方法是过滤。（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32603' and id < 2592503 and id<>'2592503' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32603' and id > 2592503 and id<>'2592503' order by id asc limit 5