工频
utility frequency
Traditional: 工頻
✍️ Practice Writing the Full Phrase
📖 Additional Information
English Phonetic:
ju:'tiliti
Detailed Definition:
n. a company that performs a public service; subject to government regulation\nn. the quality of being of practical use\nn. the service (electric power or water or transportation) provided by a public utility\nn. (economics) a measure that is to be maximized in any situation involving choice