在主动脉瓣中度反流时，反流束宽度/左 心室流出道宽度为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31771' and id < 2540082 and id<>'2540082' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31771' and id > 2540082 and id<>'2540082' order by id asc limit 5