基本解釋[經濟學]完稅後碼頭交貨價詞組短語短語delivered ex quay duty paid 碼頭交貨關稅已付DEQ delivered ex quay -duty paid 目標港碼頭交貨ex quay duty paid更多詞組專業(yè)釋義經濟學完稅後碼頭交貨價