| 1. | Design standard piping material for chemical plant
化工装置管道材料设计工程规定 |
| 2. | Pe large aperture pipe material product line
产品介绍pe大口径管材挤出生产线 |
| 3. | All - purpose aluminum section materials for piping materials
管料等通用铝型材 |
| 4. | On the supervision for pressure pipe material
美国职业安全卫生监察局 |
| 5. | Good knowledge of piping materials ( pipes , tubes , fittings & supports )
熟悉配管所需的各项材料 |
| 6. | Property and application for new plastic water supply pipe material
新型塑料给水管材的性能和应用 |
| 7. | Discussion of the extensively - used cold hot water system plastic pipe materials
广泛应用的冷热水系统塑料管材论述 |
| 8. | Comparison and application of common pipe materials for urban water supply works
城市给水工程常用管材的对比与应用 |
| 9. | Test method for obtaining hydrostatic design basis for thermoplastic pipe materials
获得热塑性管道材料静水压设计基数的试验方法 |
| 10. | 421 we need a piping material list ( list of piping support , bill of welding rod )
我们需要一份配管材料表（管架一览表、焊条明细表） 。 |
