| 1. | The etched section also reveals that multiple weld passes were made over the top of the original submerged arc weld pass .
从酸蚀断面还可以看出：在原自动埋弧焊的上面覆盖有多层焊道。 |
| 2. | Abstract : a cavity is made on both sides of weld bead
文摘:在焊道表面两侧作一空腔。 |
| 3. | A cavity is made on both sides of weld bead
在焊道表面两侧作一空腔。 |
| 4. | The back purge shall be maintained for a minimum of two passes
至少对两条焊道进行惰性气体反吹。 |
| 5. | Backing weld before making main wel back weld
打底焊道 |
| 6. | Temper bead annealing bead
回火焊道 |
| 7. | The fcaw process shall not be used for the root pass of single - sided joints
药芯焊丝电弧焊工艺不用于单面焊接接头的根部焊道。 |
| 8. | Gmaw short - arc tack welds shall not be incorporated into the root pass
熔化极气体保护焊-短弧点焊焊缝不能与根部焊道合成一体。 |
| 9. | Cosmetic bead cover pass
盖面焊道 |
| 10. | Root pass root run
根部焊道 |
