Wading alarm device for parked vehicle, vehicle, server and user terminal
Battery replacing and charging system for an electric automobile
Elongated long-stroke collapse-type anti-bounce multi-stage anti-overload buffer structure
Hybrid power system and vehicle adopting hybrid power system
Train-ground cooperative automatic retreating system and method fusing UWB positioning communication
Elevator with anti-falling and anti-top-rushing safety alarm linkage device
Bus microcirculation connection demand area judgment method and connection line determination method
Mobile charging platform with adjustable charging voltage
Million-meter-level pressure-resistant sealed cabin of hemispherical optical window
Passenger flow OD algorithm based on multiple matching of bus passenger travel
Satellite-borne rotating wheel type multi-separation device
Portable sleeper carrying device for railway construction
Hollow cast aluminum steering knuckle for double-wishbone suspension
Centralized power electric multiple units and power supply control method thereof