51吃瓜

Sheet Metal Processing is divided into production cutting, stamping, bending, forming, welding, polising, spraying, printing, assembly and other processes. Let‘s introduce the process knowledge of stamping in detail. ???? ????????? ???????? ??? ???? ??? ?? ?? ??? ???? ?? ??? ?????? ??? ???? ?? ????? ??? ??? ??.

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Punching is a general term for a stamping process that extracts data. ?? ??? ???? ??: ???? ?????? ?????? ????? ?????? ?????? ?????? ?????? ?????? ??? ???. ????? ?? ????? ?? ???? ????? ?? ?? ?? ????? ???? ?? ???? ???? ??? ????? ???? ?? ???? ???? ?? ????? ??? ???? ?? ????? ???? ????

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