A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.18.69kN/m㎡B.11.8kN/m㎡C.9.35kN/m㎡D.6.88kN/m㎡
[单选题]A.193.5kN·mB.162.1kN·mC.185.3kN·mD.179.1kN·m