2) cylinder packing
![点击朗读](/dictall/images/read.gif)
油缸密封(填料)
3) cylinder piston seal
![点击朗读](/dictall/images/read.gif)
油缸活塞密封
4) ejector cylinder seal
![点击朗读](/dictall/images/read.gif)
推卸器油缸密封
5) front suspension cylinder seal
![点击朗读](/dictall/images/read.gif)
前悬架油缸密封
6) improved cylinder seal
![点击朗读](/dictall/images/read.gif)
改进的油缸密封
参考词条