effective unit weight

例句：

1. 1. The engineer calculated the effective unit weight of the material to ensure it would not exceed the maximum allowable weight.
   工程师计算了材料的有效性单位重量，以确保它不会超过最大允许重量。
2. 2.The construction company has implemented a system that calculates the effective unit weight for each project to optimize resource allocation.
   建筑公司实施了一个系统，用于为每个项目计算有效单位重量，以优化资源分配。
3. 3. The design team focused on the effective unit weight of the new product to improve its performanceand reduce energy consumption.
   设计团队专注于新产品的有效单位重量，以提高其性能并减少能源消耗。