Traffic signal lamp management method and system based on big data
Windshield wiper of multiple unit and external installation structure for windshield wiper
Automobile thermal management intelligent radiator module and automobile
Anti-interference and high-precision intelligent railway axle counting equipment
Elevator polling monitoring system and elevator polling monitoring method based on block chain
Self-heat-dissipation gear type cleaning pump for vehicle
Wirelessly-controlled multifunctional crawler-type line construction load-bearing transport vehicle
Extended-range electric vehicle cooling fan control method
Asymmetric steel wheel type suspension rail vehicle and brake system thereof
Reversing image display method and device in vehicle machine system, storage medium and terminal
Monitorable unmanned aerial vehicle and monitoring shooting method of unmanned aerial vehicle
Rapid takeoff-landing unmanned aerial vehicle and takeoff and landing control method thereof
Indoor parking dynamic precise navigation system based on wireless positioning technology
Unmanned aerial vehicle and surveying and mapping method based on same
Adjustable side wall mounting base of railway passenger car equipment
Oil consumption, driving track and safe driving integrated remote monitoring system
Template hoisting device for hydraulic engineering construction
Intersection bus signal priority control optimization method
Intelligent waste storage and incineration distribution system
Magnetic adsorption wall-climbing walking crawler device
Security intelligent parking management device and management method thereof
Multifunctional magnetic adsorption wall-climbing robot device
Near space aerostat capable of reentry and return during long endurance
Elevator braking device with synchronous lifting function and elevator
Counterweight type hoisting tool and using method thereof
DCDC conversion circuit by adapting to wide input voltage and vehicle-mounted charger
Crane hook positioning method, device and system and engineering machinery