cast iron什么?
问题描述:
cast iron什么?
Iron is converted to steel by removing most of the impurities present in cast iron.
答
目前在铸铁中,钢是由铁除去大部分的杂质炼成的
cast iron什么?
Iron is converted to steel by removing most of the impurities present in cast iron.
目前在铸铁中,钢是由铁除去大部分的杂质炼成的