基本解釋輸入爲(wèi)先的對(duì)開(kāi)信用証詞組短語(yǔ)短語(yǔ)back -to- credit import first [金融]輸入方先開(kāi)的對(duì)開(kāi)信用証to back credit import first 輸入爲(wèi)先的對(duì)開(kāi)信用証back to back credit import first更多詞組