基本解釋[經(jīng)濟學]接地電線英漢例句雙語例句U0-The rated power-frequency voltage between conductor and earth or metallic screen , for which the cable designed .電纜設計用導體與屏蔽或金屬套之間的額定工作電壓；earth conductor cable更多例句專業(yè)釋義經(jīng)濟學接地電線