Unmanned aerial vehicle field surveying and mapping method
Parking lot crowdsourcing map generation method and device, equipment and medium
Navigation route display method, vehicle and mobile terminal
Wind generating set tower drum outer wall paint repairing robot
Sand-discharging and dust-removing air conditioning unit and railway vehicle
Large-tonnage freight elevator car structure and using method thereof
Underwater AUV cable searching system based on magnetometer
Microwave directional radiation device and environmental pollution remediation system
Transport vehicle and compressed air treatment system thereof
Railway vehicle-mounted vacuum self-suction type environment-friendly toilet comprehensive system
Tourist bus supervision system based on GIS map and multiple types of positioning
Intelligent urban desilting and solidifying system and method
Unmanned ship for tracking and collecting floating oil on water surface
Pesticide adding device for unmanned aerial vehicle pesticide box
Information screen and traffic light synchronization control device