The dust will also cause bearing, cylinder-wall, and piston and ring wear.
灰尘同．样也会导致轴承、气缸壁、活塞和活塞环的磨损。
2
It is focused on a new measuring method called partial-thin-wall method for the radial pressure distribution on a pistonring as well as on the theoretical evaluation of its working principle.
着重介绍了活塞环径向压力测量的一种新方法——局部薄壁测量法，并从理论上对这种测定方法进行了分析。
3
The utility model relates to a piston valve which is installed in a cylinder tube of a pressure device, wherein the cylinder tube has an inner ringwall face towards the piston valve.