| 1. | There ' s a pressure door at the end of the north corridor 北走廊尽头有个气密门 |
| 2. | Packaging - packing containers - air - tight test method 包装包装容器气密试验方法 |
| 3. | Air retention test method for tubeless aircraft tyre 航空无内胎轮胎气密性能试验方法 |
| 4. | Research on technology of improving gastightness in arch warehouse 拱板仓气密技术研究 |
| 5. | Determination of hermeticity of expansion alloys 膨胀合金气密性试验方法 |
| 6. | Test method of air retention for tubeless aircraft tyres 航空无内胎轮胎气密性能试验方法 |
| 7. | Air seal test method of glass - lined equipments 搪玻璃设备气密性试验方法 |
| 8. | No product contamination absolute tightness 没有产品污染的绝对气密性。 |
| 9. | Research of gastight quality for controlled atmosphere storage 果蔬气调贮藏库气密性探讨 |
| 10. | Specification for hermetically sealed flat double glazing units 气密中空平板玻璃组件规范 |