| 1. | Determination of hermeticity of expansion alloys
膨胀合金气密性试验方法 |
| 2. | Air seal test method of glass - lined equipments
搪玻璃设备气密性试验方法 |
| 3. | No product contamination absolute tightness
没有产品污染的绝对气密性。 |
| 4. | Research of gastight quality for controlled atmosphere storage
果蔬气调贮藏库气密性探讨 |
| 5. | Gas tightness of equipment for gas welding and allied process
气焊和相关工艺用设备的气密性 |
| 6. | Effect of different gastightness on recirculation fumigation
不同气密性对环流熏蒸效果的影响 |
| 7. | The resilient diaphragm assures bubble - tight closure to flow
弹性隔膜确保流体的气密性关闭。 |
| 8. | Windows and doorsets - air permeability test
窗和门组件.气密性试验 |
| 9. | The air - tightness of air - conditioning warehouse
浅谈气调库的气密性 |
| 10. | Analyse on airtightness of double heat - proof steel sphere roof
双层隔热彩钢圆形顶盖气密性的分析 |
