Lubricate oil hydrogenation

• 润滑油加氢

Lubricate oil hydrogenation的用法和样例：

例句

1. The technical characteristics and industrial trial-production of the first unit of lubricating oil hydrotreating in China were presented.
   介绍了我国引进建设的第一套润滑油加氢处理的工艺特点和工业试生产情况。