这是什么铸铁nodular or shperoidal graphite? Cast iron shall be of the nodular or spheroidal graphite type to SANS 936/937 grade SG42 or to such other grade as is accepted by the Engineer . 查字典nodular graphite iron是 球墨铸铁 ,spheroidal graphite cast iron也是球墨铸铁,也许英文是存在差异的(but where is the difference?),但译为中文却是相同的,am I right? 查看更多7个回答 . 3人已关注