Read Edit View history 工频 gōngpín power frequency Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 工频/工頻 · gōngpín · power frequency 2026/03/04 工频 / 工頻 gōngpín power frequency The standard alternating current frequency used in an electric power grid, typically 50 or 60 Hz. 中国电力系统的工频是50赫兹。 abbreviation created sense Mar 4, 2026, 02:25 AM