99热只有精品网址,国产深夜a在线播放,国产一级片内射视频播放,亚洲精品国产首次亮相

Low winter temperatures, to make the car still can continue to use in winter low temperature, engine cooling fluid have joined some can reduce the freezing point of water substances as antifreeze, keep the cooling system in the cold weather without freezing. So it is sometimes called coolant "antifreeze" or "not frozen liquid". Should call the full name of antifreeze antifreeze coolant, meaning anti-freezing function of cooling fluid.