weight unit limitation

例句：

1. 1.The weight unit limitation is set to ensure that the product does not exceed a certain weight limit.
   重量单位限制被设定为确保产品不超过一定的重量限制。
2. 2. The manufacturer has implemented a weight unit limitation to prevent overweight packaging.
   制造商已经实施了重量单位限制，以防止过度包装。
3. 3. The weight unit limitation is crucial for maintaining the balance of the ecosystem.
   重量单位限制对于维护生态系统的平衡至关重要。