英语语法分析

This treatment is particularly useful for hypereutectoid steels that must be machined.

此处理方法对必须机加工的过共析钢特别有用。

Hypereutectoid steels are steels that contain greater than the eutectoid amount of carbon.

过共析钢是含碳量大于共析量的钢。

Both steel iron and cast iron have the structures of eutectoid, hypoeutectoid and hypereutectoid.

钢和铸铁都有共析、亚共析和过共析这三种组织。