性爱国产亚洲欧美黄片_国产日韩综合一区二区_国产黄在线播放免费观看网站_色片黄片在线免费观看_欧美成人影院免费观_亚洲欧美日韩国产天堂a_精品丝袜美腿国产一区_中文字幕无线码一区二区_蜜桃成人网站免费看_亚洲国产精品 码久久

·Has excellent antioxidant properties and excellent mechanical/thermal stability at high temperatures, suitable for high-temperature lubrication of rubber metal, plastic and metal, plastic and plastic. Working temperature: -50 ℃ -180 ℃