Combining to communication technology, Model Pipe Jacker can operate orderly under the control of the system.

系统上下位机结合通信技术，可实现控制顶管掘进机的有效运转。

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The utility model has the purposes that the ultraviolet light pipe telephone sterilizer carries out sterilization for a communication equipment telephone to ensure the health of human body.

紫外线光管电话消毒器，对通讯设备电话机进行消毒灭菌，保障人类身体健康。

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This system USES the GPRS communication model to construct the water supply pipe network monitor system.

本系统采用GPRS通信模式构建供水管网监测系统。

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