清理文件，将过期的或长期不用的需存档文件整理归档，一些临时性的过期文件全部清理清除；
Clean-up documents, expired or not the long-term need to archive documents prepared for the archives, some of the temporary removal of expired documents of all clean-up.
清理文件，将过期的或长期不用的需存档文件整理归档，一些临时性的过期文件全部清理清除；
Clean-up documents, expired or not the long-term need to archive documents prepared for the archives, some of the temporary removal of expired documents of all clean-up.
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