
A.10kN
B.25kN
C.35kN
D.20kN
[单选题]A.10kNB.25kNC.35kND.20kN
[单选题]A.10kNB.25kNC.35kND.20kN
[单选题]A.10kNB.25kNC.35kND.20kN
[单选题]A.10kNB.25kNC.35kND.20kN
[单选题]A.10kNB.25kNC.35kND.20kN
[单选题]A.10kNB.25kNC.35kND.20kN
[单选题]A.0.125/cmB.0.3.46/cmC.0.554/cmD.0.692/cmE.0.885/cm
[单选题]A.16B.27C.36D.54E.62