大口径、厚壁不锈钢球形封头衬里冲压成形及回弹过程的数值模拟及试验研究
대구경、후벽불수강구형봉두츤리충압성형급회탄과정적수치모의급시험연구
Research on Numerical Simulation and Experiment of Deep Drawing and Springback Process of Large Caliber-thick Stainless Steel Head Lining
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