solvent refining

• 溶剂精制

solvent refining的用法和样例：

例句

1. A double-solvent process for the simultaneous deasphalting and solvent treating of a lubricating-oil stock or any residual or distillate base stock.
   对润滑油料或任何渣油或馏分油基础油同时进行脱沥青和溶剂精制的双溶剂过程。