1. a black scale of magnetic oxide of iron formed on iron and steel when heated for rolling, forging, or other processing scale entry 5 sense 4a(1)
mill scale 例句
英汉例句
the process and production mechanism of reduced iron powder from mill scale and iron ore was described.
系统地介绍了由铁鳞制取还原铁粉的工艺过程,原理,及各种牌号还原铁粉的性能对比。
the process and production mechanism of reduced iron powder from mill scale and iron ore was described. finally, it was compared the characters of different grades of reduced iron powder.