基本解释字模冲子英汉例句双语例句The design essentionalities of punch were pointed out when the U shape was side stamped.指出了U形件侧孔冲裁凸模设计要点。stamped punch更多例句词组短语短语stamped d punch 字模冲子stamped punch更多词组专业释义机械工程字模冲子铜模冲子