尿中β2微球蛋白增多而血中β2微球蛋白不增高，此时出现的蛋白尿属于

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28168' and id < 2307099 and id<>'2307099' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28168' and id > 2307099 and id<>'2307099' order by id asc limit 5