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If you don't put your cell phone, is there shaking or abnormal noise?
Does anyone know the specific design process
Kuo Yi
I have a doubt. Looking at your internal structure diagram, I found that the left gear is not connected to the left serration of the middle rod. How can I drive the left to move to the right?
Taobao has something to sell
Beauty??
Looking at the bag a little tight, it's like that.
Modern people must drive.
Well, this one looks good.