National standard finished hole
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Connected by a chain or belt, when force or motion is applied to the driving sprocket, the sprocket smoothly transmits power to the driven sprocket through the meshing of the teeth with the chain, thereby changing the torque or speed of the mechanical system.
Connected by a chain or belt, when force or motion is applied to the driving sprocket, the sprocket smoothly transmits power to the driven sprocket through the meshing of the teeth with the chain, thereby changing the torque or speed of the mechanical system.
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