1. The scratch here should be within the standard acceptance range, which is caused by bumping in the distribution process of parts and components, and it was not found in time in the packaging process; 2. The stone brought up by the front tire during the test run was hit; 3. Design defect, slight scratch of varnish caused by rotation of flat pad during bolt tightening, which can be erased with alcohol; 4. Wear of the protective rubber pier of the bottom bracket of the door manipulator; 1. The incoming parts of parts are scratched, and the online assembly is coated; 2. Scratches caused by the dismantling process of subsequent debugging and repair function lines;
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