问：常听别人说起汽车维护还划分了等级，您能告诉我是如何划分的吗？每一级别维护有什么不同？答：汽车在使用过程中受各种因素的影响，不可避免地产生松动、磨损和损伤的情况，对汽车的动力性，安全性、以济性不可避免地产生影响，如果不能及时地进行维护 Q: I often listen to others talking about car maintenance also divided the level, can you tell me how to divide it? What is the difference between each level of maintenance? A: The car is affected by various factors in the course of its use, inevitably resulting in looseness, wear and damage of the car’s power, safety, economic inevitably have an impact, if not timely maintenance