Forging ọna ti alloy, irin tube eke, irin pipe le ti wa ni pin si free forging, upsetting, extrusion, forging, pipade kú forging, pipade upsetting. Pipade kú forging ati pipade upsetting nitori nibẹ ni ko si filasi, awọn ohun elo ti iṣamulo ga. Pẹlu ilana kan tabi awọn ilana pupọ le jẹ ...
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