In this process the iron is scrap iron or sheet iron from machine factory and activated carbon can be replace by coke and flue powder, so the significance of this process is making use of waste circularly.是什么意思_In this process the iron is scrap iron or sheet iron from machine factory and activated carbon can be replace by coke and flue powder, so the significance of this process is making use of waste circularly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句