主动脉瓣关闭不全较重时，超声表现是（     ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25725' and id < 2162824 and id<>'2162824' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25725' and id > 2162824 and id<>'2162824' order by id asc limit 5