【摘要】 本文研究了拉弯矫直的变形规律和内力与外力的关系,並得出较完整的结论,从而进一步完善了矫直理论。更多还原

【Abstract】 Having researched into the law of deformation while stretch bend-straightening and into the relationship between internal stress and external force, the authors have drawn a pretty complete conclusion which would further perfect the theory of levelling.更多还原