project love frequency的相關文章
project love frequency的相關公司資訊
project love frequency的相關商品

Utility frequency - Wikipedia, the free encyclopedia
瀏覽:1159
日期:2025-06-01
The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power plant to the end-user. In large parts...看更多