基本解釋[經(jīng)濟學(xué)]腈綸紗詞組短語短語acrylic spun yarn 丙烯腈紗acrylic c spun yarn 丙烯腈紗spun acrylic yarn更多詞組專業(yè)釋義經(jīng)濟學(xué)腈綸紗