| 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. | Hubbed socket welding steel pipe flanges with raised face 突面带颈承插焊钢制管法兰 |
| 4. | Steel pipe welding neck flanges with ring - joint face 环连接面对焊钢制管法兰 |
| 5. | It take speed and skill to weld steel at this heat 在这样的温度焊钢需要速度和技术。 |
| 6. | Steel pipe welding neck flanges with flat face or raised face 平面突面对焊钢制管法兰 |
| 7. | It takes speed and skill to weld steel at this heat 在这样的温度下焊钢需要速度和技术。 |
| 8. | Hubbed slip - on - welding steel pipe flanges with ring - joint face 环连接面带颈平焊钢制管法兰 |
| 9. | Specification for fusion welded steel air receivers 熔焊钢储气罐规范 |
| 10. | Hubbed socket welding steel pipe flanges with ring - joint face 环连接面带颈承插焊钢制管法兰 |