英语语法分析

The used crude diesel oil is carried to hydrofining unit in the refinery.

萃取后的粗柴油用于炼油厂加氢精制装置。

The jet fuel was prepared by the hydrofining process of coker gasoline and diesel.

进行了焦化汽柴油加氢精制生产喷气燃料的实验研究。

Variable cost of hydrofining is seldom considered in the domestic diesel blending research.

目前国内关于柴油调合的研究较少考虑加氢精制成本可变的情况。