| 1. | Ldpe smooth wall pipes for telecommunication
低密度聚乙烯（ ldpe ）光子壁管 |
| 2. | Vicejaw for flaring for thin wall pipe . dimensions
薄管扩口用钳口.尺寸 |
| 3. | This is a large on - going double wall pipe project
这是一个很大的正在进行的双重管线项目。 |
| 4. | Spirally enwound structure - wall pipes of high density polyethylene
高密度聚乙烯缠绕结构壁管材 |
| 5. | Most early installations have been in double wall pipes or tanks systems
早期大多数都安装在双重管网和储油罐系统中。 |
| 6. | Performance of cast - in - situ concrete thin - wall pipe pile composite foundation under road embankment
路堤下现浇薄壁管桩复合地基工作特性分析 |
| 7. | Design on a pulsed wire feeding control system of all - position narrow gap and thick - walled pipe welding
厚壁管窄间隙全位置焊接脉动送丝系统设计 |
| 8. | On the ultrasonic inspection of the thin wall pipe ring welds used in the oil amp; amp; gas long - distance pipeline
石油天然气长输管道薄壁管环焊缝超声波探伤 |
| 9. | Beginning in 2001 more tt5000 is being used in the single wall pipe / slotted pvc conduit design
从2001年开始，更多的tt5000被用于“单根管线配开槽的pvc管”这种设计方案中。 |
| 10. | Various road and ramp crossings with some above ground leak detection and multiple below ground double wall pipe sections
地上是各种道路和跑道纵横，地下是双重管道多层交错。 |
