A.12 B.14 C.16 D.18
A.nf=1 B.nf=2 C.nf=4 D.nf=18
A.8.0 B.14.0 C.28.0 D.42.0
A.610 B.725 C.1040 D.1450
A.405 B.455 C.490 D.535
A.2.5 B.3.0 C.3.5 D.4.0
A.312 B.212 C.316 D.3414
A.2.70kN·m;52.1kN B.3.70kN·m;44.5kN C.3.70kN·m;58.3kN D.6.70kN·m;58.3kN
A.63.20 B.64.49 C.68.07 D.69.47
A.29.1 B.30.5 C.32.2 D.35.8