load density

例句：

1. 1.The load density of the material is crucial for its strength and durability.
   材料的负载密度对其强度和耐久性至关重要。
2. 2. The engineers carefully calculated the load density to ensure stability during the construction process.
   工程师们仔细计算了负载密度，以确保施工过程中的稳定性。
3. 3.The load density of the car's suspension system is critical for handling heavy loads.
   汽车悬挂系统的负载密度对于处理重负载至关重要。