volumetric coefficient

例句：

1. 1.The volumetric coefficient of the material is crucial for its strength and durability.
   材料的体积系数对其强度和耐久性至关重要。
2. 2.In engineering, the volumetric coefficient is used to calculate the density of materials.
   在工程中，体积系数用于计算材料的密度。
3. 3.The engineers used a computer program to calculate the volumetric coefficient of the new material.
   工程师们使用计算机程序来计算新材料的体积系数。