患者心律齐，心电图所示P-P间隔为20mm，心电图机走纸速度25mm/s，患者的心率是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28367' and id < 2319496 and id<>'2319496' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28367' and id > 2319496 and id<>'2319496' order by id asc limit 5