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Automatic yawing rectification pedal and spring mechanism
Method and device for searching vehicle in parking lot
Tin-based anode materials with well-designed architectures for next-generation lithium-ion batteries
Directexhaust and drainage structure of rail transit vehicle
High tower type hyperspectral agricultural remote sensing imaging holder
Container and automobile transportation dual-purpose vehicle body
Steam collecting vehicle with low walking board structure
Rotor wing folding type unmanned aerial vehicle with protection structure
Atomization spraying device for unmanned aerial vehicle
Tugboat with lifting type multi-angle boat body stabilizing device
Trolley chassis capable of climbing stairs and crossing country and using method thereof