基本解釋[經(jīng)濟(jì)學(xué)]雙盃形絕緣子詞組短語短語double e cup insulator 雙盃形絕緣子double cup porcelain insulator 雙瓷盃絕緣器;繙譯insulator double cup porcelain 雙瓷盃絕緣器double cup insulator更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)雙盃形絕緣子