心室率可快可慢，可规则也可不规则的是(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='6523' and id < 504390 and id<>'504390' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='6523' and id > 504390 and id<>'504390' order by id asc limit 5