英语语法分析

Pearlitic transformation in steel is a typical diffusion eutectoid transition.

钢中珠光体转变属典型的扩散型共析转变。

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。

Steels having less than the eutectoid amount of carbon (less than 0.77%) are known as hypo-eutectoid steels.

含碳量少于共析体(低于0.77%)的钢称为亚共析钢。