by-product inventory

例句：

1. 1. Thecompany's by-product inventory is expected to increase significantly in the coming year.
   该公司的副产品库存预计在未来一年将显著增加。
2. 2. The production process generates a significant amount of waste, which needs to be managed effectively to avoid by-product inventory buildup.
   生产过程会产生大量的废物，需要有效地管理以避免副产品库存积累。
3. 3. To optimize the efficiency of the production line, it is important to maintain a steadyflow of raw materials and minimize by-product inventory.
   为了优化生产线的效率，保持原材料的稳定流动并减少副产品库存是非常重要的。