题目内容
正常成人心率在正常范围时，P-R间期为
2021-11-17
A.0.08〜0.11s
B.0.08〜0.20s
C.0.12〜0.16s
D.0.12〜0.20s
E.0.16〜0.24s
试卷相关题目
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