particle size curve

例句：

1. 1. The engineer used a particle size curve to analyze the quality of the sand.
   工程师使用颗粒大小曲线来分析沙子的质量。
2. 2. The study of particle size curves is crucial for understanding the behavior of materials under different conditions.
   研究颗粒大小曲线对于理解材料在不同条件下的行为至关重要。
3. 3. The company produces products with specific particle size curves, ensuring consistency in quality.
   该公司生产具有特定颗粒大小曲线的产品，确保质量的一致性。