| 1. | Hubbed socket welding steel pipe flanges with raised face
突面带颈承插焊钢制管法兰 |
| 2. | Processing guidelines - electric socket welding of pp
Pp承插热熔方法说明 |
| 3. | Hubbed socket welding steel pipe flanges with ring - joint face
环连接面带颈承插焊钢制管法兰 |
| 4. | Forged fittings , socket - welding and threaded
锻制承插焊接和螺纹配件 |
| 5. | Weld including b - weld and socket weld
注：焊接包括对焊和承插焊。 |
| 6. | Hubbed socket welding steel pipe flanges with male and female face
凹凸面带颈承插焊钢制管法兰 |
| 7. | Hubbed socket welding steel pipe flanges with tongue and groove face
榫槽面带颈承插焊钢制管法兰 |
| 8. | Spigot and socket self - stressed
承插式自应力钢筋混凝土输水管 |
| 9. | Forged steel socket welding pipe fittings
锻钢制承插焊管件 |
| 10. | Hubbed slip - on - welding and hubbed socket welding cast iron pipe flanges
带颈平焊和带颈承插焊铸铁管法兰 |
