If we focus only on the materials normally known as steels, a simplified diagram is often used.

如果只把注意力集中于一般所说的钢上，经常要用到简化铁碳状态图。

youdao

If we focus only on the materials normally known as steels, a simplified diagram is often used.

如果只把注意力集中于一般所说的钢上，经常要用到简化铁碳状态图。

youdao