基本解釋[經(jīng)濟(jì)學(xué)]膨躰彈力紗詞組短語短語bulk stretch silk yarn 膨躰彈力真絲bulk stretch real silk yarn 膨躰彈力真絲bulk stretch yarn更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)膨躰彈力紗