Zero setting device and zero setting method for aircraft control surface actuator
Water surface garbage cleaning device based on water ecological restoration
Wagon balance weighing method and system and storage medium
Unpowered self-stabilization water surface hydrological instrument
Unmanned aerial vehicle measurement system based on Beidou positioning
Turnover device for riprapping leveling ship and riprapping leveling ship
Transportation device for offshore platforms and method for installing the same
Track curve versine measurement method and device, computer equipment and storage medium
Tilt-rotor unmanned aerial vehicle dual-safety redundancy tilt actuator experiment bench