介绍氮在灰铸铁中的作用及含氮灰铸铁材料。
The effect of nitrogen in gray irons and nitrogen- containing gray irons was introduced.
因此，确定球墨铸铁材料对激光的吸收率十分必要。
So it is necessary to determine the laser absorptivity of ductile iron.
由于铸铁材料的特殊性，为金刚石工具的应用提供可能。
It is the specialty of cast iron that makes diamond tool application possible.
应用推荐