| 1. | Some crack extension probably developed from the unfused section of the butt weld across the thickness of the stiffener during transport and erection .
有些裂纹可能在运输和安装过程中就从加劲肋对接焊未熔透处开始发展。 |
| 2. | Wrought steel buttwelding short radius elbows and returns
可锻钢对接焊弧形弯头和回转管 |
| 3. | Tube bends - for butt - welding of copper
管弯头.铜对接焊用 |
| 4. | Fittings for butt welding into wrought copper alloy pipelines - tees
与精制铜合金管路对接焊的配件.三通 |
| 5. | Fittings for butt welding into copper - nickel - alloy pipelines - elbows
与铜镍合金管路对接焊的配件.管弯头 |
| 6. | Method of fisco test
压板对接焊抗裂试验方法 |
| 7. | Fittings for butt welding into copper - nickel - alloy pipelines - concentric reducers
与铜镍合金管路对接焊的配件.同心异径管 |
| 8. | Fittings for butt welding into copper - nickel - alloy pipelines - saddle type connections
与铜镍合金管路对接焊的配件.鞍形连接件 |
| 9. | Square butt welding
形坡口对接焊 |
| 10. | Polyethylene aluminum polyethylene composite pressure pipe the pe al pe pipe butt - welded by aluminum pipe
铝塑复合压力管第2部分:铝管对接焊式铝塑管 |
