基本解釋[經(jīng)濟(jì)學(xué)]雙杯形絕緣子詞組短語(yǔ)短語(yǔ)double e cup insulator 雙杯形絕緣子double cup porcelain insulator 雙瓷杯絕緣器;翻譯insulator double cup porcelain 雙瓷杯絕緣器double cup insulator更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)雙杯形絕緣子