Aerial survey unmanned aerial vehicle mounting protection device
Air-land amphibious bird repelling robot for transformer substation
Bee disturbing device for power transmission line inspection
Bird repelling unmanned aerial vehicle system with controllable laser light path
Coastal water intake invasive marine organism blocking and catching floating platform
Controllable laser light path control method based on sensing pre-positioning
Crawler belt cleaning device of machine for treating mudflat spartina alterniflora