undesirable component meaning in English
不良成分
不良组分
Examples
- Solvent refined a refining technique to improve the quality of based oils using selective extraction of undesirable components by means of solvents
溶剂精制-利用溶剂作为于段(利用溶剂方式？ ) ，有选择性地萃取不需要的组份，进而提高基础油质量的一种精制工艺。