常見例句雙語例句Clean letter of credit is seldom used in international trade.在國際貿(mào)易中很少使用光票信用證。Shipment Schedule: will be 30 days after Seller received "clean and fully operative" letter of credit.賣方收到清潔和完全生效的信用證后30天內(nèi)裝運。 返回 clean letter of credit