lube refining

例句：

1. 1. The process of lube refining is crucial for the smooth operation of machinery.
   润滑油提炼的过程对于机械的顺畅运行至关重要。
2. 2. The refinery produces a variety of refined oils and chemicals.
   炼油厂生产各种精炼油和化学品。
3. 3. During the lube refining process, the crude oil is heated and then filtered to remove impurities.
   在润滑油提炼过程中，原油被加热并过滤以去除杂质。