1) damaged clutch piston seal

损坏的离合器活塞密封
2) damaged piston seal

损坏的活塞密封
3) brake piston seal damage

制动器活塞密封损坏
4) clutch piston seal

离合器活塞密封
5) damaged cylinder piston seal

损坏的缸筒活塞密封
6) clutch piston seal alignment

离合器活塞密封校准
参考词条