本实用新型具有旋转头相对接头本体旋转稳定，不易损坏通信导线或电缆的优点。
The utility model has the advantages that the rotating head can rotate stably in relative to a joint body, so a communication conducting wire or a cable can not be damaged easily.
有些系统，如电话系统，使用由电缆、导线和交换台组成的网络，来进行点对点的通信。
Some systems, like the telephone system, use a network of cables, wires, and switching stations for point-to-point communication.
有些系统，如电话系统，使用由电缆、导线和交换台组成的网络，来进行点对点的通信。
Some systems, like the telephone system, use a network of cables, wires, and switching stations for point-to-point communication.
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