输尿管结石的特征性超声声像图表现为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31778' and id < 2540704 and id<>'2540704' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31778' and id > 2540704 and id<>'2540704' order by id asc limit 5