In this paper the development process and the manuf8cture technology of centrifugally cast compound cast iron roll are introduced. Its further research direction are presented.是什么意思_In this paper the development process and the manuf8cture technology of centrifugally cast compound cast iron roll are introduced. Its further research direction are presented.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句