The flanging-sizing die structure of the exo-skeletal was improved, using auto-half block, solved the difficult problem of part out off die.
改进了的旧的骨架翻边整形模，采用自动哈夫成形，解决了零件出模困难的问题。
The flanging-sizing die structure of the exo-skeletal was improved, using auto-half block, solved the difficult problem of part out off die.
改进了的旧的骨架翻边整形模，采用自动哈夫成形，解决了零件出模困难的问题。
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