| 1. | The ability to move air through plant canopies is related directly to the tightness of the green house .
空气通过植物冠层移动的能力直接与温室的密闭程度有关。 |
| 2. | Test method for steam tightness of asbestos - rubber sheets
石棉橡胶板蒸汽密封性能试验方法 |
| 3. | Gas tightness of equipment for gas welding and allied process
气焊和相关工艺用设备的气密性 |
| 4. | The air - tightness of air - conditioning warehouse
浅谈气调库的气密性 |
| 5. | Testing of cables , wires and flexible cords ; tightness of cables sheaths
电缆电线和绝缘导线试验.电缆护套密封性 |
| 6. | Specification for gas tightness of equipment for gas welding and allied processes
气焊及相关工艺用设备气密性规范 |
| 7. | Aerosol dispensers . rapid test . tightness of valve mechanisms and clinch
烟雾发生器.快速试验.气雾剂容器上阀机构的密封和压紧 |
| 8. | Test methods for strength and tightness of marine auxiliary boiler and pressure vessel
船用辅锅炉及受压容器强度和密性试验方法 |
| 9. | Gas tightness of equipment for gas welding and allied processes ; identical with iso 9090 : 1989
气焊及类似加工工艺设备的气体密封 |
| 10. | Packaging - flexible tubes - test method for the air tightness of closures ; german version en 12377 : 1998
包装材料.软管材.封闭体的气密性试验方法 |
