题目内容
心电图的PR间期反映
2022-01-04
A.心房的去极化
B.心房的复极化
C.心室的去极化
D.心室的复极化
E.房室间传导
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30595' and id < 2469049 and id<>'2469049' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30595' and id > 2469049 and id<>'2469049' order by id asc limit 5