| 1. | Internal combustion engines - piston rings - oil control rings 内燃机.活塞环.护油环 |
| 2. | Coil spring loaded slotted oil control ring 螺旋弹簧加载双坡口油环 |
| 3. | Internal combustion engines - piston rings - coil - spring - loaded oil control rings 内燃机活塞环螺旋撑簧油环 |
| 4. | Products rings x - ring type 产品介绍环状密封件x型油环 |
| 5. | Products rings o - ring type 产品介绍环状密封件o型油环 |
| 6. | Products rings v - ring type 产品介绍环状密封件v型油环 |
| 7. | Internal combustion engines ; piston rings ; oil control rings ; identical with iso 6625 : 1986 内燃机.活塞环.护油环 |
| 8. | Internal combustion engines . expander segment oil control steel rings . specifications 内燃机.钢带组合油环.技术条件 |
| 9. | Internal combustion engines - piston rings - expander segment oil control rings 内燃机.活塞环.撑胀器组合式护油环 |
| 10. | Double bevelled oil control ring 双坡口油环 |