Through analysis of the fin piece blanking problem, using the characteristics of aluminum alloy retr

中文解释

通过对翼片冲裁时出现的问题进行分析,利用铝合金材料具有回归现象的特点,解决了翼片平面翘曲问题。

正在查询

extermination creepers carking respected president shapeless 杀害 Motor City equation of state dip a pen recover a satellite