hematite iron

• 低磷生铁,赤铁矿生铁

hematite iron的用法和样例：

例句

1. The process to produce manganese-nodular-iron balls with phosphoricping iron, its features and economic profit are introduced.
   介绍了利用高磷生铁制取中锰球铁磨球的工艺过程和特点及显著的经济效益。