短語(yǔ)詞組短語(yǔ)irrevocable documentary letter of credit [金融]不可撤銷跟單信用証;不可撤消信用証;不可撤消跟單信用証Irrevocable Sight Letter Of Credit 不可撤銷即期信用狀Irrevocable u letter of credit 不可撤消信用狀Irrevocable Standby Letter of Credit 不可撤銷的信用証;備用信用証an irrevocable letter of credit 不可撤銷信用証Sight irrevocable letter of credit 即期不可撤銷信用証ILC irrevocable letter of credit 不可撤銷信用証confirmed irrevocable letter of credit 保兌不可撤消即期信用証 返回 irrevocable letter of credit