Read Edit View history 煤制油 méizhìyóu coal liquefaction Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 煤制油/煤製油 · méizhìyóu · coal liquefaction 2026/03/04 煤制油 / 煤製油 méizhìyóu coal liquefaction The chemical process of converting coal into liquid hydrocarbons or fuels. 煤制油技术对于保障国家能源安全具有重要意义。 created sense Mar 4, 2026, 02:25 AM