self-lubrication piston ring 自润滑活塞环
Also, the radial deformation of cylinder liner and piston ring should be reduced to improve the lubrication performances of piston ring.
此外，为了提高活塞环润滑性能应尽量减少气缸套和活塞环的径向变形量。
A research was made on the structure of piston ring and elastic force ring in oilless lubrication compressors.
对全无油压缩机上活塞环弹力环结构进行了研究。
An elliptical cylinder model was built to analyze the effects of cylinder liner radial deformation on the elastohydrodynamic lubrication performances of piston ring.
分析活塞环弹流润滑性能时考虑气缸套径向变形的影响是非常必要的。
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