Partition design-based head-up display device, head-up display method and vehicle-mounted system
Multi-rope friction type elevator rope groove depth automatic measuring device
Water surface power buoy for assisting underwater detection
Fatigue strengthening laser additive train axle repairing method and remanufactured axle
Method, device and equipment for collecting mechanical angle of motor and storage medium
Method and device for determining temperature threshold value and storage medium
Method for detecting abnormal state of automobile chassis
Method for measuring transverse deviation of rubber wheel low-floor virtual rail train
Fixed device for arresting ship anchor in submarine cable protection area and construction method
Test device and test method for unfolding fan-shaped wing
Distributed offshore wind power hydrogen production, storage and transportation integrated system