短語詞組短語Guarantee Letter of Credit 保証信用証;信用証;擔(dān)保信用証或保証信用証bank guarantee letter 銀行保証書;銀行擔(dān)保函advance payment guarantee letter 預(yù)付款保証書advance e payment guarantee letter 預(yù)付款保証書letter guarantee 釋義信用保証書Banker 's Letter Guarantee 銀行保函irrevocable letter of guarantee 不可撤銷保函 返回 guarantee letter