A.2~3cm2
B.3~4cm2
C.4~5cm2
D.5~6cm2
E.6~7cm2
[单选题]正常成人二尖瓣口面积为()A . 1~2cm2B . 2~4cm2C . 4~6cm2D . 6~8cm2E . 2~3cm2
[单选题]正常成人二尖瓣口面积为A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为( )。A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为( )。A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为( )。A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为( )。A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为( )。A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为( )。A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为( )。A.2~3cm2B.3~4cm2C.4~5cm2D.5~6cm2E.6~7cm2
[单选题]正常成人二尖瓣口面积为A.2~3cmB.3~4cmC.4~5cmD.5~6cmE.6~7cm