成人天堂资源www在线_欧美性xxxx狂欢老少配_我越喊疼他越加速怎么办_好久被狂躁a片视频无码免费视频_二人做受二级a片_丰满岳疯狂做爰2_黄片在线免费看亚洲毛片一区二区_日韩AV无码久久一区二区_欧美粗大猛烈人妖

■ High alkali value reserve, can quickly and effectively neutralize the acid substances produced by the combustion of high sulfur fuel, to provide effective anti-corrosion and anti-rust protection for the engine;

■ Excellent alkali retention performance, providing continuous and effective protection for the engine during oil change;

■ Excellent wear resistance to prolong engine life;

■ Excellent thermal oxidation stability, effectively prevent the formation of high temperature deposits, prolong the service life of oil products;

■ Excellent cleaning and dispersing performance to keep the engine clean;

■ Good water separation performance, can quickly separate the water into the oil, avoid oil emulsification.