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jinqin11 发表于 2015-3-21 09:55( A& B/ A9 |/ ^ 板材,冲床下料,,冲孔,扩孔,孔口倒角,车外圆及倒角。 " B0 D4 X& ]' `4 T S3 S产品如果允许冲床蹋边的话,后面几个工序省略7 T+ W+ h) f# I( v6 c8 t1 O ...
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