 | City integrates street lamp control module based on power line carrier（PLC） |
|  | Online Wireless Temperature Measurement System |
|  | 400V Cut-off Switch Intelligent Controller |
|  | GPS Area Measuring Apparatus |
|  | Substation Water Ingress Real-time Wireless Monitoring System |
|  | Remote Real-time Monitoring System of Temporary Earthing Circuit of |
|  | TQSB-BG002 User Identification and Phase Sequence Tracing Tester |
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position ： 
