Oil supplementing method of power transformer and expander lifting device thereof
Dragging type real-time communication device of underwater portable/mobile intelligent terminal
Sound insulation and heat insulation pad of automobile and production process thereof
Control device for pumping vehicle, pumping vehicle, and control method for pumping vehicle
Rope head combination capable of being doubly adjusted
Structure and method for connecting side wall outer plate and rear gutter channel assembly
Device and method for drawing machining line of saddle opening of main pipe
High-voltage SiC motor controller and electric automobile comprising same
Method, device, system and equipment for pre-judging battery capacity of vehicle and storage medium
Emergency steering method, energy accumulator sealing device and steering system
Target positioning turntable system capable of reducing electromagnetic interference
New energy automobile automatic charging equipment with high safety
Assembling tool and assembling method for large-size split type composite propeller
Hydrogen protection device of hydrogen fuel cell for aviation
System net cage capable of automatically replacing netting
Heavy tower crane adopting load-sensitive energy-saving hydraulic system
Railway vehicle fairing composition structure and fairing forming method
Truss type submarine cable underwater detection beacon carrying device
Crossing and blocking device for high-voltage transmission line
Cage guide discharging device of tower type friction elevator
Forest fire prevention system and method based on multiple unmanned aerial vehicles
Simple lifting frame for unearthing of pipe jacking working well
Battery system integrated with charging and discharging interface
Unmanned bus high-speed rail hub Mass type station control algorithm and device