By means of the reversing haul-off unit, films can be produced without requiting rotating die head, so the structure of die head is simplified.是什么意思_By means of the reversing haul-off unit, films can be produced without requiting rotating die head, so the structure of die head is simplified.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句