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Walking lifting device with telescopic working platform and using method of walking lifting device
Vehicle-mounted monitoring and counting system based on solar energy
Shield tunneling machine cutterhead, cutter changing method and shield tunneling machine
Overturning and lifting composite stand column guide rail
Large-span steel concrete superposed beam hoisting device
Intelligent power system of inertial measurement pipeline robot
Integrated type planetary gear oil-electricity parallel serial two-mode hybrid power system
Expansion joint suitable for low-clearance lightweight busbar
Emergent breakdown truck for communicating optical cable
Electric automobile torsion girder type driving system and driving method of same
Dual-clutch planetary petrol-electric hybrid dual-mode hybrid power system
Double-bearing double-guide rigid short dropper for subway
DIGITAL CONTACTLESS SIGNING SYSTEM FOR FLEXIBLE TOBACCO DISTRIBUTION