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E-bike power-assisted gear automatic adjusting device and adjusting method
Plug connector detection circuit and method and automobile circuit system
Bicycle riding time automatic timing method and system
E-Bike power assisting device and method for preventing false triggering
Interaction module for acquiring automobile information and judging automobile battery locking
Battery assembly for electric power-assisted bicycle and electric power-assisted bicycle
Reinforcing steel bar stacking and hoisting construction method
BICYCLE TORQUE TRANSMISSION MECHANISM AND SYSTEM, AND ELECTRIC POWER-ASSISTED BICYCLE
Bicycle torque transmission mechanism and system and electric power-assisted bicycle
Cleaning and maintaining device for high-speed rail bullet train
Method for enabling train to safely passroute combining long steep gradients and small curves
Method and device for controlling gas leakage, storage medium and gas energy vehicle