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person:(zhang, ping)
Fork reciprocating movement device pressing to unlock and then rotating
Overturning tip hiding mechanism for suspension type monorail movable core turnout
Suspension type track beam three-station track line changing system
Comprehensive steel structure lifting appliance based on BIM technology and construction method
Positioning mechanism and positioning method of cutter suction dredger
SUSPENSION TYPE TRACK SINGLE-TURNOUT VEHICLE LINE CHANGING SYSTEM
Suspension type track single-open vehicle line changing system
Anti-dislocation structure of tunnel crossing active fault
BATTERY SWAPPING PLATFORM, BATTERY SWAPPING STATION, AND BATTERY SWAPPING METHOD
BATTERY SWAPPING PLATFORM, BATTERY SWAPPING STATION AND BATTERY SWAPPING METHOD
Sinking escape self-rescue device and self-rescue method for seabed mine car in walking process
BATTERY SWAP PLATFORM, BATTERY SWAP STATION, AND BATTERY SWAP METHOD
Bionic fish capable of fishing pollutants at pond bottom
Modularized rescue drilling machine suitable for mines or tunnels with various section sizes