In the pilot test. ilmenite concentrate from Pan Zhi Hua is directly smelted in 250 KVA closed elec- tric furnace for producing acid-soluble titania slag and pig iron.是什么意思_In the pilot test. ilmenite concentrate from Pan Zhi Hua is directly smelted in 250 KVA closed elec- tric furnace for producing acid-soluble titania slag and pig iron.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句