1. The paint surface is oxidized. Under the sun's ultraviolet radiation, the paint film will continue to evaporate oil into the air to protect itself, which will lead to excessive loss of paint oil for a long time. The brightness and shin degree of the paint surface are greatly reduced, which makes the paint surface turn white slowly, forms an oxide layer, shortens the service life of the car paint, and the phenomenon that the car paint turns black, white and lusterless can be observed by the naked eye. Serious oxidation can be treated by grinding and polishing.

2、交通膜。小型搅拌机在行驶过程中由于摩擦而产生强烈的静电层，静电对灰尘、油污和化学粉尘吸附能力很强，时间长了会形成一层坚硬的交通膜，这种“交通膜”易使漆面发生氧化腐蚀，这种情况可采用研磨抛光处理。

2. Traffic film. A small mixer produces a strong static layer due to friction during driving. Static electricity has a strong adsorption capacity for dust, oil and chemical dust. After a long time, a hard traffic film will be formed. This kind of "traffic film" is easy to cause oxidation and corrosion on the paint surface. In this case, grinding and polishing can be used.

3、龟裂。如果平时不对漆面作护理，金属漆可能产生一种非常细微的裂痕，它会不断地渗车漆，直穿透整个色漆层，这种现象就叫“龟裂”。有时因为重喷漆质量的问题，也会产生龟裂。如果裂纹中有车蜡，会发现车身有条纹状的龟裂现象。经常打蜡可逐渐减少龟裂的产生。

3. Crack. If you don't take care of the paint surface at ordinary times, there may be a very slight crack in the metal paint, which will continuously penetrate the car paint until it penetrates the whole paint layer. This phenomenon is called "cracking". Sometimes because of the quality problem of heavy painting, it will also produce cracks. If there is car wax in the crack, it will be found that the body has striated cracks. Regular waxing can gradually reduce cracking.

4、褪色。大气中的油烟和污染物是造成车漆变色、褪色的主要原因。褪色与氧化不同，发生褪色时，车漆会出现不均匀的色差。中、轻度的褪色可用研磨、抛光治理，严重时要重新喷漆。

4. Discoloration. Fumes and pollutants in the atmosphere are the main causes of discoloration and fading of car paint. Discoloration is different from oxidation. When discoloration occurs, the paint will have uneven color difference. Moderate and mild discoloration can be treated by grinding and polishing, and repainting is necessary when it is serious.

5、蚀痕。蚀痕是面状磨蚀。昆虫、鸟粪、树汁、焦油、沥青都有可能引起的蚀痕。轻微的蚀痕可用研磨抛光，。

5. Erosion marks. The erosion mark is a surface erosion. Insects, bird droppings, tree sap, tar and asphalt may cause erosion marks. Slight erosion can be solved by grinding and polishing.

6、水痕纹。水痕纹是水滴蒸发后留下的痕迹，呈环状。氧化、常用洗涤灵清洗的车容易染上水痕。轻微水痕纹的通过打蜡抛光可治，严重时需研磨或喷漆。

6. Water marks. Water marks are the marks left by the evaporation of water droplets, which are in a ring shape. Oxidation, commonly used detergent cleaning car easily stained with water marks. Slight water marks can be treated by waxing and polishing, and serious water marks need grinding or painting.

7、浅划痕。由于摩擦及日常护理不当，小型搅拌机车漆面出现轻微的划痕，但并未露出底漆，这种划痕在阳光下比较明显。一般采用Z业的抛光方法去除。

7. Light scratches. Due to the improper friction and daily care, the paint surface of the small mixer appeared slight scratch, but the primer was not exposed, which was obvious in the sun. It is usually removed by polishing method of Z industry.

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