Qhov kev tshem tawm ntawm qhov tuag yog cuam tshuam rau hom thiab thickness ntawm cov khoom raug stamped.Qhov sib txawv tsis tsim nyog tuaj yeem ua rau muaj teeb meem hauv qab no: (1) Yog tias qhov sib txawv loj dhau, qhov burr ntawm lub stamping workpiece yog qhov loj thiab lub stamping qua ...
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