A . 1:1
B . 2:1
C . 2.5:1
D . 1.5:1
E . 0.5:1
[单选题]正常胸部CT,一般升主动脉与降主动脉横径比为A.1∶1B.2∶1C.2.5∶1D.1.5∶1E.0.5∶1
[单选题]正常胸部CT,一般升主动脉与降主动脉横径比为A.1∶1B.2∶1C.2.5∶1D.1.5∶1E.0.5∶1
[单选题]正常胸部CT,一般升主动脉与降主动脉横径比为( )。A.1.5:1B.1:1C.2.5:1D.2:1E.0.5:1
[单选题]正常胸部CT,一般升主动脉与降主动脉横径比为( )。A.1.5:1B.1:1C.2.5:1D.2:1E.0.5:1
[单选题]正常胸部CT,一般升主动脉与降主动脉横径比为( )。A.2.5:1B.2:1C.1.5:1D.1:1E.0.5:1
[单选题]正常胸部CT,一般升主动脉与降主动脉横径比为( )。A.1.5:1B.1:1C.2.5:1D.2:1E.0.5:1
[单选题]正常胸部CT上一般升主动脉与降主动脉横径比为A.1:1B.2:1C.2.5:1D.1.5:1E.0.5:1
[单选题]正常胸部CT升主动脉与降主动脉横径比为()A .0.5:1B .1:1C .1.5:lD .2:1E .2.5:1
[单选题]正常胸部CT升主动脉与降主动脉横径比为()A . 0.5:1B . 1:1C . 1.5:1D . 2:1E . 2.5:1
[单选题]正常胸部CT升主动脉与降主动脉横径比为()A.0.5:1B.1:1C.1.5:1D.2:1E.2.5:1