汽车如果没有蜡的保护，从新车开始，车漆就会氧化，开始失去光泽。久而久之，汽车表面会出现厚厚的氧化层。造成氧化层的原因很多，如环境污染的侵蚀，包括酸性雨点、碱性水点、航空油、柴油、轮船油渍、石灰、水泥点、昆虫点、鸟粪、蝙蝠粪、落叶、金属（工业污染）斑、落灰 If the car without the protection of the wax, starting from a new car, the car paint will be oxidized, began to lose its luster. Over time, the car surface will appear thick oxide layer. There are many reasons for the formation of oxides, such as environmental pollution, including acid rain, alkaline water, aviation oil, diesel oil, steam oil, lime, cement spots, insect spots, guano, bat dung, deciduous, metal Spot, fall ash