Air command unmanned aerial vehicle capable of performing man-machine conversation function
Variable-pitch execution mechanism of electronic pitch varying device of screw propeller
Heat exchange enhancement device and method for aircraft fuel oil
Walking-spanning device of multiple-row solar cell panel cleaning robot
BATTERY MANAGEMENT METHOD, BATTERY MANAGEMENT APPARATUS AND AIRCRAFT
Battery equalizing apparatus and method, and unmanned aerial vehicle
BATTERY EQUALIZING APPARATUS AND METHOD, AND UNMANNED AERIAL VEHICLE
Charging pile power supply circuit of TBOX power supply
Violation control system and method, vehicle and storage medium
VIOLATION CONTROL SYSTEM AND METHOD, VEHICLE, AND STORAGE MEDIUM
Single-oil-way forward variable-pitch mechanism propeller
Automobile voiceprint recognition control system and control method thereof
Combined lifting tool for mounting of solar panel and method
Device and method suitable for space station gas resource cyclic supply
Climbing auxiliary device for mining rail-mounted tour inspection robot
Battery charging management circuit and charging device
Slow start power supply circuit and unmanned aerial vehicle charging device
MULTI-BATTERY MANAGEMENT DEVICE AND UNMANNED AERIAL VEHICLE