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Adjustable heavy large-span steel structure large mechanical floor hoisting walking device
Electric side swing type vehicle door and control method thereof
Rail corrugation identification method based on multi-task learning neural network
Rapid slag turning method for narrow site tunnel construction
Straddle type monorail operation comprehensive vehicle
Suspension device for bridge engineering construction
Track plate laying device for plate-type ballastless track construction
Vehicle-mounted track uneven peak value interval detection method