参考文献

1.R.J.Roark,FormulasforStressandStrain,4thed.NewYork:McGraw-HillBookCompany,Inc,1965.2.S.Timoshenko,StrengthofMaterials,PartⅠ:“ElementaryTheoryandProblems,”3ded。Princeton,N.J.:D.VanNostrandCompany,Inc.,1955.3.S.Timoshenko,StrengthofMaterials,PartⅡ:“Advanc ......（本文共 1944 字 ）     [阅读本文]>>