The axial drawing ratio and hoop extension ratio should be properly matched. 轴向拉伸比和环向扩张比要合理匹配。
The condition of uniaxial stress is closely approximated in prismatic bars subjected to pure axial tensile or compressive ioading. 承受单纯轴向拉伸和压缩的棱柱杆十分近似地处于单轴的应力状态。
