用来炼钢的铁主要有两种，“碱性铁”和“低磷生铁。”

There are two main kinds of iron used for making steel: "basic" iron and "hermatite" iron.

youdao

用来炼钢的铁主要有两种，“碱性铁”和“低磷生铁。”

There are two main kinds of iron used for making steel: "basic" iron and "hermatite" iron.

youdao