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Charging method and system based on combination of ETC and charging pile
Charging method and system based on combination of ETC and charging pile
Vehicle charging method and system based on combination of ETC and charging pile
ETC parking online transaction system compatible with license identification equipment
ETC parking fee automatic payment method and ETC device
Highway road condition monitoring and early warning device
Green channel vehicle inspection data recording device
Real-time monitoring system and method for running speed of vehicles on highway