| 1. | An intelligent device for testing airtight products 一种智能型密封性能测试装置 |
| 2. | Test method for leaks in sealed flexible packages 软包装件密封性能试验方法 |
| 3. | Test method for steam tightness of asbestos - rubber sheets 石棉橡胶板蒸汽密封性能试验方法 |
| 4. | Better sealed , no enviroment pollution 密封性能好,无环境污染。 |
| 5. | A testing method on the sealing properties of engine cylinder 一种发动机汽缸密封性能的测试方法 |
| 6. | Test method for sealing characteristics of gaskets for pipe flanges 管法兰用垫片密封性能试验方法 |
| 7. | Spiral wound gaskets test method of steam sealing characteristics 缠绕式垫片蒸汽密封性能试验方法 |
| 8. | Short and narrow packing chamber improves sealing effectiveness 又短又窄的填料腔改善了密封性能。 |
| 9. | Both sides of sealing performance are choiceness and the torque is small 双向密封性能优良,扭矩值小。 |
| 10. | Spiral wound gaskets test method of hydraulic pressure sealing characteristics 缠绕式垫片水压密封性能试验方法 |