This is a digital network DVR user 's guide.
这是数字网络硬盘录像机的用户指南。
The guide introduces you to the digital network DVR features methods of operation, maintenance and common troubleshooting.
该指南向您介绍数字网络硬盘录像机的各项功能的操作方法、维护及常见故障排除等。
The guide introduces you to the digital network DVR features methods of operation, maintenance and common troubleshooting.
该指南向您介绍数字网络硬盘录像机的各项功能的操作方法、维护及常见故障排除等。
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