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分析了发动机罩边框零件的特点 ,决定采用分段成形然后焊接的成形工艺 ,并介绍了分段零件成形模的结构特点及有关注意事项
The characteristics of the frame parts of the bonnet are analyzed, the forming process of the section forming and then the welding is decided, and the structural characteristics and the precautions