精炼者

例句：

1. 1. The distillation process is crucial for the production of refined alcohols.
   蒸馏过程对于生产精制酒精至关重要。
2. 2. The refining process involves removing impurities from crude oil to produce refined petroleum products.
   精炼过程涉及从原油中去除杂质以生产精制石油产品。
3. 3. The refinery is a complex industrial facility that processes raw materials into refined products.
   炼油厂是一个复杂的工业设施，将原材料加工成精制产品。