This 6H3C mill is the first set of the intermediate roll crossing mill in the world and also the first set of the industry used 6H3C mill.是什么意思_This 6H3C mill is the first set of the intermediate roll crossing mill in the world and also the first set of the industry used 6H3C mill.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句