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person:(jiang, limin)
Heavy tractor hybrid power system independently controlled by double motors
Integrated trailer for transporting assault boats and kayaks
Tightening device and tightening method for joint coating of directly-buried thermal insulation pipe
Method for identifying and judging safety of indication state of switch machine
Auxiliary mounting bracket for electric power engineering
Elevator overload management method and device, image acquisition equipment and storage medium
Forklift digital twinning construction method based on flight control system
Bridge and culvert anti-collision early warning and alarming system
Driver behavior recognition method, processor and device for tower crane and tower crane
Method for identifying and judging state of switch machine