| 1. | Biotechnology - performance criteria for shaft seals 生物技术.轴密封的性能标准 |
| 2. | Biotechnology . performance criteria for shaft seals 生物技术.轴密封件的性能标准 |
| 3. | Main shaft seal equipment achieves national patent 主轴密封装置获国家专利。 |
| 4. | Pumps - shaft sealing systems for centrifugal and rotary pumps 泵.离心泵和旋转泵用轴封系统 |
| 5. | There have been some superchargers with bad input shaft seals 有一些有坏输入轴封的增压器。 |
| 6. | Pumps - shaft sealing systems for centrifugal and rotary pumps 泵.离心泵和回转泵的轴密封装置 |
| 7. | Pumps - shaft sealing systems for centrifugal and rotary pumps 泵.离心泵和旋转泵用轴密封系统 |
| 8. | Adjustment and replacement of main shaft seals of shield machine 盾构机主轴承密封的调整和更换 |
| 9. | Biotechnology - performance criteria for shaft seals ; german version en 12690 : 1999 生物技术.轴密封的性能标准 |
| 10. | Manufacture and repair of pump shaft seals for all american - made centrifu - gal pumps 为全美国制造的低温泵修理泵轴封。 |