equiaxial grain

例句：

1. 1. The grains of this type of sand are equiaxial.
   这种沙子的颗粒是等轴的。
2. 2. The process of crystallization is often associated with the formation of equiaxial grains.
   结晶过程通常与形成等轴晶粒有关。
3. 3. The grain size distribution of the material can be influenced by factors such as temperature and pressure.
   材料中颗粒大小分布可能受到温度和压力等因素的影响。