基本解釋[經(jīng)濟(jì)學(xué)]全鋼敞車(chē)詞組短語(yǔ)短語(yǔ)all -steel l open top wagon 全鋼敞車(chē)all-steel open top wagon更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)全鋼敞車(chē)