Low-position seabed box suitable for bubble drag reduction system
Building structure with mixed function space in front of railway station
Unmanned aerial vehicle pod rotating retracting and releasing mechanism
Automatic driving range-extending type ballast moving robot
Wireless charging device communication method, device and equipment, storage medium and vehicle
Regional multi-line dispatching system based on cloud architecture and train thereof
Mesh enclosure structure, central air outlet, side air outlets and rear row air outlets
Multi-signal lamp control method and system for lane capacity difference
Integrated thermal management system applied to hybrid vehicle and hybrid vehicle
Split direct current charging pile for electric automobile
High-reliability steel wire rope and steel strand traction device and method