常見(jiàn)例句雙語(yǔ)例句The theory on limitations of direct coal liquefaction oil yield has been found for the first time.首次建立了煤炭直接液化油收率極限理論。Liquid fuel produced through coal liquefaction is one of the important alternative energies for oil.越來(lái)越多的新型能源被開(kāi)發(fā)出來(lái)代替煤和石油。The technology of coal transform oil includes two chief types: direct coal liquefaction and indirect coal liquefaction.煤制油技術(shù)主要有煤炭直接液化和煤炭間接液化兩類。 返回 coal liquefaction oil