久久五月激情婷婷日韩_影音先锋国产制服欧美激情_北条麻妃国产九九九精品_搡老熟女老女人HHD_老子影院午夜伦不卡理论片ok电影天堂_真人啪啪无遮挡免费_午夜视频在线观看黄色视频_无码人妻精品一区二区三区蜜桃_欧美两根一起进3p做受视频_亚洲另类熟女国产

■ Excellent rubber compatibility and shear resistance;

■ Excellent synchronizer friction performance, suitable for a variety of synchronizer friction materials, keeping shift compliance and improving ride comfort;

■ Good wear resistance, effectively prolonging the service life of dry double clutch automatic gearbox;

■ Excellent low-temperature flow performance, effectively improving fuel economy;

■ Good thermal stability and oxidation stability, prevent the formation of paint film and sludge, and keep the box clean continuously;

■ Excellent sealing adaptability, effectively preventing oil leakage caused by oil seal failure.