在水中不溶但可膨胀的分离材料是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26289' and id < 2199178 and id<>'2199178' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26289' and id > 2199178 and id<>'2199178' order by id asc limit 5