基本解釋[經(jīng)濟(jì)學(xué)]內(nèi)齒摩擦片詞組短語短語internal tariff toothed friction plate 內(nèi)齒摩擦片internal toothed friction plate更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)內(nèi)齒摩擦片