常見例句雙語例句This design carries on blanking, the piercing progressive dies design.本次設計了一套級進模。On compound dies, piercing amd blanking punches must be on the same plane to prevent material slippage.在複郃模具中，爲阻止材料滑動沖孔及下料沖高度應相同。xiaguangyo.blog.163.com 返回 piercing dies