基本解釋[經(jīng)濟(jì)學(xué)]鍺功率琯詞組短語(yǔ)短語(yǔ)germanium m power transistor 鍺功率琯germanium power transistor更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)鍺功率琯