design weight

例句：

1. 1. The designer decided to use a lighter material for the product's design weight.
   设计师决定使用较轻的材料来减轻产品的设计重量。
2. 2. The engineer calculated the design weight of the new machine based on its size and weight.
   工程师根据机器的大小和重量计算了新机器的设计重量。
3. 3. The manufacturer has to consider the design weight when designing the packaging for their products.
   制造商在设计产品的包装时必须考虑设计重量。