Stone ballast hopper car unloading dust suppression device and stone ballast hopper car
Tree barrier laser cleaning method and device for double-line telegraph pole
Computer control auxiliary device for pesticide spraying based on unmanned aerial vehicle
Intelligent management and control method for vehicles in logistics park
Intelligent unmanned aerial vehicle environment detection system for transformer substation
Ship air conditioning device utilizing biomass energy and working method
Fiber blended fabric reinforced quartz-based composite material and preparation method thereof
Vehicle-mounted negative pressure control method and system
Hand-leaving detection device for steering wheel, steering wheel and vehicle
Identification method suitable for vehicles on different roads
Low-altitude automatic pesticide spraying system based on unmanned aerial vehicle
Integrated floating type fan floating fish reef device and combination method