短語詞組短語coal indirect liquefaction 間接液化;煤炭間接液化;煤間接液化coal direct liquefaction process 煤液化工藝coal directly liquefaction 煤直接液化coal for liquefaction 液化用煤coal direct liquefaction 直接液化;煤炭直接液化coal indirect liquefaction technology 煤炭間接液化技術(shù)coal hydrogeneration liquefaction 煤造石油coal quick liquefaction 煤快速液化coal direct liquefaction technology 煤炭直接液化技術(shù) 返回 coal liquefaction