与骨骼肌细胞相比，心室肌细胞动作电 位的特征是（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28675' and id < 2340216 and id<>'2340216' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28675' and id > 2340216 and id<>'2340216' order by id asc limit 5