精品无码一区二区,风韵人妻丰满熟妇老熟女图片照,亚洲高清视频一区,男女晚上性视频网站,免费观看又色又爽又湿的视频,强行扒开女同桌腿玩弄的视频,三级片介绍,国产女人毛片好多水,荡公乱妇第一章方情95视频

■ High alkali value reserve and good alkali value retention performance, which can effectively neutralize acidic substances produced by the combustion of high sulfur fuel to prevent corrosion and corrosion of machine parts;

■ Good anti-wear performance to provide effective anti-wear protection for engine;

■ Excellent oxidation resistance and thermal stability, prolong the oil change cycle

■ Excellent cleanness and dispersion, effectively prevent the formation of oil sludge and carbon accumulation, and keep the engine clean.

Suitable for diesel and heavy fuel engines with sulfur content less than 0.5%, and Marine high speed diesel engines or generator sets requiring API CF-4 or below grade oil lubrication.