coker造句
        Colour stability of 
coker gas oil has been improved by DMF extraction.
以二甲基亚砜为萃取溶剂,用溶剂萃取的方法提高焦化柴油的颜色安定性.
The 
coker gas oil was refined by benzyl alcohol extraction.
以苄醇为溶剂,用萃取方法提高了焦化柴油的质量.
Tell Colonel 
Coker, I am investigating the entire matter.
告诉柯克上校, 我正在调查这件事情的始末.