raw oil的用法和樣例：
例句
- The country exports lots of crude oil.
這個(gè)國家出口大量原油。 - "absolute principle, top priority"
硬道理 - The crude oil is chromatographed over silica gel.
粗制油狀物用硅膠進(jìn)行色譜分離。 - The Coal liquefaction is the abbreviation of the coal chemical technology to produce industrial chemicals and liquid fuel with coal for raw material.
煤制油是以煤炭為原料生產(chǎn)液體燃料和化工原料的煤化工技術(shù)的簡(jiǎn)稱(chēng)。
