| 1. | A number of metals and alloys, how ever, are difficult to silver-solder and require special procedures .
但是有许多金属和合金是难于银焊的，因此需要采用专门的工艺方法。 |
| 2. | 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。 |
| 3. | Hard metal tipped tools , well suitable for brazing
适用于硬焊的硬金属尖端工具。 |
| 4. | Recommended practices for gas - tungsten - arc welding
钨电极惰性气体保护焊的推荐规范 |
| 5. | Specification for projections for resistance welding
电阻焊的凸出部位规范 |
| 6. | Recommended practices for electron beam welding
电子束焊的推荐性实施规范 |
| 7. | Power sources for manual arc welding with limited duty
限定使用范围的手工电弧焊的电源 |
| 8. | Welding . studs and ceramic ferrules for arc stud welding
焊接.螺柱弧焊的螺柱和陶瓷箍 |
| 9. | Non - destructive examination of fusion welds . visual examination
熔焊的无损检验.外观检查 |
| 10. | Some highly polished jerk is sitting in bigweld ' s chair
一个衣着光鲜的痞子坐在大焊的位子上 |
