日韩理论片-少妇av在线-吃奶av-av网址导航-99热1-欧美日韩成人在线观看-欧美大尺度视频-丁香婷婷久久-免费一二三区-成年人视频网-成人免费视频一区-亚洲综合自拍偷拍-国产精品美女一区二区三区-亚洲一片-精品人妻无码一区二区三区蜜桃一-老牛影视一区二区三区-国产jk精品白丝av在线观看-精品在线91-天天摸日日摸狠狠添-亚洲精品视频导航-2025韩国大尺度电影-最新的av网站-免费欧美一区-操欧美女-性xxxⅹ直播免费看

■ Excellent anti-wear performance, effectively prevent parts wear, long-lasting engine protection, prolong engine service life;

■ Excellent cleaning and dispersing ability to reduce sediment and keep the engine clean;

■ Excellent oxidation resistance, low evaporation loss, reduce maintenance costs;

■ High alkali value reserve 10TBN, effectively prevent engine acid corrosion;

■ Strong and stable oil film, providing reliable protection for low speed and high torque conditions;