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person:(zhang, ming)
Building structure with mixed function space in front of railway station
Climbing assisting system with unmanned aerial vehicle
Control method and control device of laser car lamp and laser car lamp system
Field pressure conversion device suitable for aircraft
GREEN WAVE SPEED DETERMINATION METHOD, ELECTRONIC DEVICE AND STORAGE MEDIUM
Green wave speed determination method, electronic device and storage medium
Hoisting device and hoisting method of composite floor slab
Modularized uninterruptible power operation equipment supporting platform
Motor driving device, control method, vehicle, and readable storage medium
Multi-piston driving type synthetic jet underwater propeller
Navigation antenna retracting device and inspection unmanned aerial vehicle device
Operator protecting system and overhead working truck using system