Did you mean:
person:(zhang, chen)
Wheel-rail structure suspension type PRT elastic turnout rail turnout structure and switching method
Vehicle dynamic parking reservation system capable of parking scheduling
Unmanned vehicle man-machine interaction system during epidemic prevention period and control method
Two-wheel scooter frame platform capable of testing and adjusting man-machine state
Steel truss in space limiting area and hoisting method thereof
Single-circle shield type subway station structure and interval structure
Oil stain recovery device for water collecting well of hydropower station
Navigation mark collision monitoring evidence obtaining system and evidence obtaining method
Multi-transmitting-end unmanned aerial vehicle laser remote charging method
Multi-element sensing distributed test system suitable for surface ship and construction method
Mining elevator gearbox hidden danger identification method and monitoring device
Intelligent parking space management device for distributed three-dimensional parking garage
High-speed rail track quality detection method and system based on optical fiber sensing technology
Flexible speed bump vehicle speed detection device and speed measurement method