The pre-reduction process of the magnetic-cobbed slag from oxygen-converter in a fluidized bed with Smelting furnace gas is studied in this paper.是什么意思_The pre-reduction process of the magnetic-cobbed slag from oxygen-converter in a fluidized bed with Smelting furnace gas is studied in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句