physical refining process

例句：

1. 1.The physical refinement process is crucial for the quality of oil.
   物理精炼过程对于油的质量至关重要。
2. 2.The company has adopted a new physical refinement process to improve its efficiency.
   该公司采用了一种新的物理精炼工艺以提高其效率。
3. 3.The physical refinement process involves removing impurities from crude oil to produce refined oil.
   物理精炼过程涉及从原油中去除杂质以生产精制油。