refining losses

例句：

1. 1. The refinery was closed due to the refinement losses.
   由于精炼损失，炼油厂关闭了。
2. 2.The company's refining losses have increased significantly in recent years.
   该公司近年来的精炼损失大幅增加。
3. 3. The refinery had to invest more in refining processes to reduce its refining losses.
   为了减少精炼损失，炼油厂不得不增加对精炼过程的投资。