所屬欄目:IEC電力技術(shù)雙解詞匯
交流電力系統(tǒng)的標(biāo)稱(chēng)頻率值。Conventionally,thevaluesoffrequencyusedintheelectricitysupplysystems. ......(本文共 82 字 ) [閱讀本文] >>