| 1. | Steel pipe welding neck flanges with male and female face
凹凸面对焊钢制管法兰 |
| 2. | Steel pipe welding neck flanges with tongue and groove face
榫槽面对焊钢制管法兰 |
| 3. | Steel pipe welding neck flanges with ring - joint face
环连接面对焊钢制管法兰 |
| 4. | Steel pipe welding neck flanges with flat face or raised face
平面突面对焊钢制管法兰 |
| 5. | Single - side welding and double - side molding technique with manual tig pipe welding
焊的单面焊双面成形技术 |
| 6. | Code for construction and acceptance of field equipment , industrial pipe welding engineering
现场设备.工业管道焊接工程施工及验收规范 |
| 7. | Code for construction and acceptance of field equipment , industrial pipe welding engineering
现场设备工业管道焊接工程施工及验收规范 |
| 8. | 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 |
| 9. | We also offer custom welding wire with the largest inventory of spare parts in the mechanized pipe welding industry
在机械化管道焊接工厂中我们也提供用户定制的焊丝和备件清单。 |
| 10. | The periodic in - service inspection of section ix of the boiler code includes weld repairs in cast metal , and pipe welds
根据锅炉法典第ix节的要求，在使用过程中需要定期进行检查的内容包括，逐渐金属的焊缝，管道焊缝。 |
