N-UNCOUNT
交流电
AC is used to refer to an electric current that continually changes direction as it flows. AC is an abbreviation for (缩略=) 'alternating current'.
例句
In Europe, AC is usually generated at 50 Hz.
欧洲的交流电输出频率通常为50赫兹。
...a portable AC generator.
便携式交流发电机