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。
It is focused on a new measuring method called partial-thin-wall method for the radial pressure distribution on a piston ring 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。
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 ring wall face towards the piston valve.
一种安装在压力装置的缸管内的活塞阀，在缸管上具有一朝向活塞阀 的内环壁面。
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 ring wall face towards the piston valve.
一种安装在压力装置的缸管内的活塞阀，在缸管上具有一朝向活塞阀 的内环壁面。
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