vacuum thermal refining

例句：

1. 1.Vacuum thermal refining is a process used to purify gases and liquids by removing impurities using a vacuum system.
   真空热精炼是一种通过使用真空系统去除杂质来净化气体和液体的过程。
2. 2. In vacuum thermal refining, the gas or liquid is heated to high temperatures and then cooled rapidly toremove impurities.
   在真空热精炼中，气体或液体被加热到高温，然后迅速冷却以去除杂质。
3. 3.Vacuum thermal refining is widely used in industries such as oil refining, chemical production, and metallurgy.
   真空热精炼在石油炼制、化工生产和冶金等行业中得到广泛应用。