机动车在行驶中 ,车身表面会逐渐沉积尘埃、泥土、油污和沥青等污垢 ,不仅影响车容 ,而且有些污垢还会对油漆下的金属起腐蚀破坏作用 ,应及时清洗。在清洗时 ,必须注意以下几个方面的问题 :( 1 )将机车停放在平整、坚硬的地点 ,防止车辆在冲洗中自行溜滑而发生意外 ;同时防止路 Motor vehicles are moving, the body surface will gradually sediment dust, dirt, oil and asphalt and other dirt, not only affect the car capacity, and some dirt will also paint under the metal corrosion damage, should be promptly cleaned. In cleaning, we must pay attention to the following aspects: (1) the locomotive parked in a smooth, hard place, to prevent the vehicle in the process of self-slip slippery accident; at the same time to prevent the road