weight per package

例句：

1. 1. The weight of the product is 5 kilograms.
   该产品的重量是5公斤。
2. 2. The weight of the package was too heavy for me to carry.
   这个包装太重了，我搬不动。
3. 3.The weight of the goods should be clearly stated on the packaging.
   商品的重量应该清楚地标注在包装上。