Nicrosilal spheronic是什么意思

用法例句

The technical parameters and production process of the combine roller made from high Ni Cr cast iron by centrifugal casting were intruduced in detail.

详细介绍了离心铸造高镍铬铸铁复合辊套内外层金属铸造工艺参数及整个铸造生产过程。