车轮油缸活塞环密封座
wheel cylinder piston cup seal seat
环形活塞系统
system of ring piston source
离合器活塞密封校准
clutch piston seal alignment
平衡活塞密封圈
equalizing piston packing ring
起作用的缸筒活塞密封
affected cylinder piston seal
倾斜油缸活塞密封垫
tilt cylinder piston seal
随动油缸活塞密封
slave cylinder piston seal
损坏的缸筒活塞密封
damaged cylinder piston seal
损坏的离合器活塞密封
damaged clutch piston seal
行车制动器活塞密封圈
service brake piston seal