Another method is to cold-rolling method, it is to Mannesmann brothers invented Meng Hot Rolling Mill of the methods used in cold working.是什么意思_Another method is to cold-rolling method, it is to Mannesmann brothers invented Meng Hot Rolling Mill of the methods used in cold working.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句