It is laid emphases on introducing the development of the watt meters, and the working theories of the induct meters and the electronic meters are illustrated in brief.是什么意思_It is laid emphases on introducing the development of the watt meters, and the working theories of the induct meters and the electronic meters are illustrated in brief.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句