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
Portable sleeper carrying device for railway construction
Satellite-borne rotating wheel type multi-separation device