Pesticide liquid spraying device for unmanned aerial vehicle
Unmanned aerial vehicle with battery heat preservation function
Model of Passenger Flow Assignment for Urban Rail Transit Based on Entry and Exit Time Constraints
METHOD AND DEVICE FOR DETECTING A DRIVING STATE OF A VEHICLE
Windshield wiper of multiple unit and external installation structure for windshield wiper
Power transmission and transformation line installation moving device
Preparation method of sterilizing and mildew-proof carriage plate and logistics vehicle carriage
Fire-fighting unmanned aerial vehicle with load-bearing function