eutectoid structure

• 共析结构

eutectoid structure的用法和样例：

例句

1. These two constituents form a eutectoid structure known as pearlite when the steel is cooled slowly enough to reach equilibrium, but by rapid cooling the steel is hardened.
   当钢材冷却得足够缓慢而达到平衡状态时，这两种结构会形成一种共析结构，称为珠光体，但如果快速冷却，钢材将被硬化。