The design of the multi-position progressive die for the bent iron core was introduced from the aspects of the layout of the bent core, the structure of the die and the design of the main parts of the die.是什么意思_The design of the multi-position progressive die for the bent iron core was introduced from the aspects of the layout of the bent core, the structure of the die and the design of the main parts of the die.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句