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Vehicle frame type satellite navigation device and system
Rail vehicle dispatching system and method based on high-precision GNSS navigation system
Power transmission line inspection system based on power transmission line pole
Positioning detection device for subway power supply installation
Farmland soil and crop carbon emission sensing system and method
Environment-friendly riverway cleaning device based on heat storage expansion double-layer cleaning
Dynamic weighing device convenient to move and based on chain transmission pallet fork
Control method and device for contextual model in vehicle, equipment and storage medium
Control device and control method for isolating switch of single guide cabinet
Anti-freezing preheating monitoring method and system for D-series High-Speed train