The push-down device control and roll gap control for 800 rolling mill is implemented by hand operation in the rod rolling mill of Xianggang.是什么意思_The push-down device control and roll gap control for 800 rolling mill is implemented by hand operation in the rod rolling mill of Xianggang.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句