自润滑连杆衬套的低摩擦系数平稳驱动。
Self-lubricating rod bushing with a low coefficient of friction for smooth actuation.
本文公开了具有低摩擦系数的组合物和系统。
Disclosed herein are compositions and systems having a low coefficient of friction.
阀杆采用防吹出保护结构，低摩擦系数的轴承等。
Protection structure with blowout proof stem, low coefficient of friction bearings and so on.
应用推荐