| 1. | Blank of hard alloy sealing ring for mechanical seal
机械密封用硬质合金密封环毛坯 |
| 2. | The seal rings should be replaced by ship ' s spare
密封环用船上的备件更换。 |
| 3. | Models of rubber sealing ring matching with pvc pipe
与pvc管道配套的橡胶密封圈规格： |
| 4. | The disc sealing ring is easy to replace and maintain
阀板密封圈易于更换，便于维修。 |
| 5. | Rubber sealing rings for lever stoppers of bottles
瓶子杆式塞用橡胶密封圈 |
| 6. | Press the flange and replace the side sealing ring
压紧法兰（均匀用力）更换侧密封圈。 |
| 7. | Design of the mould for y shaped rubber sealing ring
型密封圈橡胶模设计 |
| 8. | Finite element analysis and research on supper high seal rings
超高压密封件有限元分析研究 |
| 9. | Grey cast - iron coarse filters ; sealing rings
灰铸铁粗滤器.密封圈 |
| 10. | Reactively sintered silicon nitride seal ring for mechanical seal
机械密封用反应烧结氮化硅密封环 |
