钢中珠光体转变属典型的扩散型共析转变。
Pearlitic transformation in steel is a typical diffusion eutectoid transition.
此处理方法对必须机加工的过共析钢特别有用。
This treatment is particularly useful for hypereutectoid steels that must be machined.
钢和铸铁都有共析、亚共析和过共析这三种组织。
Both steel iron and cast iron have the structures of eutectoid, hypoeutectoid and hypereutectoid.
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