有人认为防冻液是专门为寒冷地区的车辆使用的,其实防冻液可以在任何地区、任何季节使用。现在市面上的防冻液主要成分是乙二醇,它具有沸点高、冰点低的特点。发动机用防冻液具有以下作用:(1)对冷却系统的部件起到防腐保护作用; Some people think that antifreeze is designed for use in cold areas of vehicles, in fact, antifreeze can be used in any region, any season. Antifreeze currently on the market is the main component of ethylene glycol, which has a high boiling point, low freezing point. Antifreeze engine has the following effects: (1) the cooling system components play a preservative effect;