The DX 5200 copy router is equipped with a single head routing motor that can cut holes or a variety of shapes in aluminum or PVC material.

DX 5200仿型刨花机装有单头槽刨机发电机，可以打孔或将铝或PVC材料制成不同的形状。

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Multicast technology applies the method of group transmissions, using Router to copy data packages, it promised only one data package in every link at any time, and saved bandwidth.

组播技术采用群组发送的方式，用路由器来复制数据包，保证任何时候每条链路中只有一份数据包，因此节约了网络带宽。

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After you upgrade the Cisco IOS and copy the startup-config file back to the router, the router boots up with this error message.

在你更新了新的IOS之后，并且保存了相关配置，在路由器重新启动之后反馈了此条错误。

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