Folding device of fixing support for transformer substation inspection
Double-layer photovoltaic synergistic device with offshore positioning function
Anti-corrosion structure of air supply system for air layer drag reduction ship
Hydraulic jack for cover opening and core suspending of transformer
Novel tower crane with construction site dust removal function
Electric control steering wheel safety protection control method and system
Airplane normal overload signal state determination method
Connecting assembly for connecting multifunctional plate to truss cross beam of escalator
Automatic material carrying device and working method thereof
Upper cover of wiring harness junction box of new-energy light commercial vehicle
Low-speed automatic driving method, device and equipment and storage medium
Novel hydrogen storage device for hydrogen energy automobile