| 1. | Measurement of the seat ring ' s displacement during interface welding
合拢缝焊接过程中座环变位监测 |
| 2. | Method of test for seam welded joints
细缝焊接接点的试验方法 |
| 3. | All gas line joints shall be orbital welded except those connecting to valves
所有气体管路的连接采用无缝焊接。 |
| 4. | For all gas lines , all joints shall be orbital welded to minimize pressure fittings
所有气体管路的连接为无缝焊接。 |
| 5. | Tape butt - seam welding machine
对接缝焊接机 |
| 6. | Girth welding circumferential
环缝焊接 |
| 7. | Welding of longitudinal seam
纵缝焊接 |
| 8. | Aluminium and aluminium alloys . hf seam welded tubes . part 2 : mechanical properties
铝和铝合金. hf缝焊接管.第2部分:机械特性 |
| 9. | Welding of transverse seam
横缝焊接 |
| 10. | Standard specification for wrought high - strength low - alloy steel butt - welding fittings
锻制高强度低合金钢对缝焊接配件标准规范 |
