求翻译：信用证是开证行根据开证申请人（进口商）的申请和要求向受益人（出口商）开立的、由开证行凭规定的单据履行到期付款义务的书面保证文件是什么意思？

Letter of credit the issuing bank to the beneficiary (exporter) according to the application and requirements of issuing the applicant (importer) opened, file a written guarantee of the obligation to fulfill the payment due by the issuing bank with the stipulated documents

The credit is based on the applicant's (importers), and the application and requirements to the beneficiary (exporters) of the, by the provisions of the bill by its due for payment of obligations written assurance that files

The letter of credit is opens a card line of basis opens the card applicant (importer) the application and the request to the beneficiary (exporter) draws up, by opens the card line to depend on the stipulation the documentary evidence fulfillment due payment duty written guarantee document

Credit is the issuing bank according to the applicant (importer) application and requirements to the beneficiary (exporter) opened, by virtue of the stipulated documents by the opening bank to perform their due payment obligations of written files

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