equiaxial polygonal grain

例句：

1. 1.The equiaxial polygonal grains are the result of a high-pressure sintering process.
   等轴多边形晶粒是高压烧结工艺的结果。
2. 2. The equiaxial polygonal grains have excellent mechanical properties.
   等轴多边形晶粒具有优异的机械性能。
3. 3. The equiaxial polygonal grains are used in various industrial applications.
   等轴多边形晶粒被用于各种工业应用中。