基本解释字模沖子英汉例句雙語例句The design essentionalities of punch were pointed out when the U shape was side stamped.指出了U形件側孔沖裁凸模設計要點。stamped punch更多例句词组短语短語stamped d punch 字模沖子stamped punch更多词组专业释义機械工程字模沖子銅模沖子