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Simple device for hoisting steel-copper sliding contact line and use method of simple device
Electric shopping cart capable of being ridden and pushed and using method thereof
Control moment gyro device for autonomous balance of unmanned motorcycle
Lane-changing overtaking auxiliary method for networked vehicles in mixed sparse scene
AGV navigation assembly attitude control device and control method thereof
Blood coagulation experiment specimen transfer device
Warning lamp device capable of being adjusted in linkage mode and control method thereof
The Security Design of Child Seat of Electric Bicycle