absorption oil purification process的用法和样例：
- Objective:The purification process of thrombolysin was researched.
- The data about component, gathering and transportation process, purification process and NGL reclaiming process of oil field gas were studied and collected.
- MDEA is one of the major alcohol amines for gas purification process.
- The working principle of LPM movable high efficiency industrial lube oil purification unit is explained.