piston sealing

• 活塞密封

piston sealing的用法和样例：

例句

1. The gasholder was pressurized by the connection of a side plate with a piston through a kind of flexible rubber sealing material.
   该气柜主要借助于一种柔性的橡胶密封材料将气柜侧板和活塞密封连接。