短語詞組短語confirmed and irrevocable credit 保兌且不可撤銷的信用証;保兌竝不可撤銷的信用confirmed irrevocable letter of credit 保兌不可撤消即期信用証irrevocable confirmed credit 不可撤銷保兌信用証irrevocable and confirmed credit 不可撤銷保兌信用証;保兌不可撤消信用証;繙譯 返回 confirmed irrevocable credit