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题目类型:[单选]
[单选] 在心室等容收缩期时 ( )
A
房内压>室内压>主动脉压
B
房内压<室内压>主动脉压
C
房内压=室内压>主动脉压
D
房内压<室内压<主动脉压
E
房内压>室内压<主动脉压
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略
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