Submarine cable inspection method and device, computer equipment and storage medium
Stator, motor, shock absorber, suspension assembly and vehicle
Speed reduction device for coupling planetary gear system of mining dump truck
Special integrated automatic grounding device for unmanned aerial vehicle and grounding method
Space expandable exposure experiment platform based on spherical 5R mechanism
Small buoy ice-resistant structure for marine environment monitoring
Slow charging device with electronic lock and for electric vehicle
Short-circuit protection device, method and system for direct-current charger and electric vehicle
Semitrailer rotating shaft with kinetic energy recovery function
Safety monitoring system of electrical system of passenger train and passenger train
Road structure performance monitoring device and monitoring method
Railway health monitoring device and method in windy and sandy area
Rail vehicle dispatching system and method based on high-precision GNSS navigation system