CUST1 is a single archived file of customer data.

CUST1是客户数据的单个归档文件。

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The first time, you must check if the archived file is present.

第一次，您必须检查是否存在存档文件。

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An archived version is available as a PDF file.

可用的存档版本为PD F文件。

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An archived version is available as a PDF file.

可用的存档版本为PD F文件。

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