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As multiple people submit print jobs, the spooler stores the job to disk.
当多人提交打印作业时，后台处理程序将作业存储到磁盘。
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The job of the spooler is to manage the list of print jobs, otherwise known as the print queue.
后台处理程序的工作是管理打印作业列表，也称为打印队列。
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