CNC Machining of Gaotu DK200 Micro Drum Wheel 6.8 Speed Ratio Magnetic Brake 3.5 kg Unloading Force 1.5 g Starting Throwing

CNC Machining of Gaotu DK200 Micro Drum Wheel 6.8 Speed Ratio Magnetic Brake 3.5 kg Unloading Force 1.5 g Starting Throwing

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