二尖瓣关闭不全与二尖瓣脱垂 鉴别主要之点是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26037' and id < 2184121 and id<>'2184121' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26037' and id > 2184121 and id<>'2184121' order by id asc limit 5