国产欧美成aⅴ人高清_亚洲日韩欧美在线观看_97色成人_国产一区免费午夜视频_伊人久久大香线蕉午夜av一区_國產日韓歐美視頻二區_最黄色的欧美日韩国产视频_午夜人成影视免费_中国熟女牲交大片_成人a视频在线,国模两腿玉门打开图无码,成年在线网站免费观看无广告搡老熟女,公车全黄H全肉短篇公车之狼

? application: hard wall hose f flexible hydraulic oil return line, also can be used in oil suction & disge system (excluding oil with ester base), which is confm to sae100r4.

? hose structure:

tube: black synthetic rubber.

reinfcement: high strength polyester cd fabric reinfced，helix steel wire;

cover: black wear-resistant nitrile synthetic rubber.ageing resistance ozone resistance.

? temperature range: -40℃ to +100℃