A.主动脉二叶瓣
B.主动脉单瓣
C.主动脉四叶瓣
D.主动脉三叶瓣
E.主动脉五叶瓣
[单选题]A.B.C.D.
[单选题]A.2B.-5C.0D.5
[单选题]A.30.0B.31.0C.33.3D.37.5
[单选题]A.符合B.不符合C.无法判断
[单选题]A.21kNB.27kNC.89kND.141kN
[单选题]A.300kPaB.320kPaC.476kPaD.496kPa