greenweight

例句：

1. 1. The company's new product has a greenweight of 50 kilograms.
   该公司的新产品有一个50公斤的绿色重量。
2. 2.The engineer used the greenweight to calculate the material's density.
   工程师使用绿色重量来计算材料的密度。
3. 3. The greenweight is an important factor in determining the efficiency of the machine.
   绿色重量是决定机器效率的一个重要因素。