Projectile drop point coordinate measurement system and method based on aerial observation platform
Method for radially positioning rotation angle of portal crane trolley based on Beidou RTK
Unpowered self-stabilization water surface hydrological instrument
Front combination lamp control method and system and vehicle
Intersection cooperative scheduling method for mining area vehicles
Vehicle-mounted water heating heater and assembling method thereof
Vehicle scheduling method and device based on edge cloud service, equipment and medium
Low-voltage emergency power supply device taking electric vehicle as power supply
Power grid line unmanned aerial vehicle inspection device
Unmanned aerial vehicle hanging line automatic hooking system and application method thereof
Air conditioner heating control system, control method and engineering mechanical equipment
Energy recovery and vibration reduction slewing mechanism applied to tower crane