叶片下表面密被黄色绒毛，质脆的药材是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30682' and id < 2472976 and id<>'2472976' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30682' and id > 2472976 and id<>'2472976' order by id asc limit 5