In the flotation of Yangquan bauxite ore to remove iron and titanium,the froth product is the tailings to be discarded.是什么意思_In the flotation of Yangquan bauxite ore to remove iron and titanium,the froth product is the tailings to be discarded.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句