raw oil

• 原料油,原油

raw oil的用法和样例：

例句

1. The country exports lots of crude oil.
   这个国家出口大量原油。
2. "absolute principle, top priority"
   硬道理
3. The crude oil is chromatographed over silica gel.
   粗制油状物用硅胶进行色谱分离。
4. The Coal liquefaction is the abbreviation of the coal chemical technology to produce industrial chemicals and liquid fuel with coal for raw material.
   煤制油是以煤炭为原料生产液体燃料和化工原料的煤化工技术的简称。