A.Elastic deformation; B.Permanent deformation C.plastical deformation
A.Elastic deformation B.Permanent deformation; C.plastical deformation
A、應(yīng)力增大、應(yīng)變減小。 B、應(yīng)力增大、應(yīng)變增大。 C、應(yīng)力減小、應(yīng)變增大