| 1. | Add metal from the rod by dipping the end into the pool so that it melts and makes up the vee .
将焊条一端浸入池内熔化，填满V形坡口。 |
| 2. | Cracks have been found in the flange and web splices at groove welds in at least four bridges .
至少在四座桥梁的翼缘板和腹板拼接坡口焊缝中发现了裂纹。 |
| 3. | Often lack of fusion adjacent to the girder web in the transverse groove welds led to the cracking .
在靠近主梁腹板的横向坡口焊缝处常常出现未熔透而导致裂纹。 |
| 4. | The second crack is a crack originating at the groove weld toe of the column flange-girder flange connection .
第二种是产生于立柱翼缘与主梁翼缘连接处的坡口焊缝焊趾处的裂纹。 |
| 5. | A large number of these cracks occurred because the groove welded component was considered a secondary member or attachment .
发生这许多裂纹是因为把这些坡口焊接部件作为次要构件或附件考虑。 |
| 6. | This consists for the most part in straightening up, cleaning, and, on thicker plates above 5/16 in vee-ing the edges .
主要是矫直，清选，对于厚度超过516英寸的金属板，还需将焊边做成V形坡口。 |
| 7. | These attachments were considered secondary components, so no weld quality control has been imposed on the groove weld splice .
这些附连件被看作是次要的部件，所以在这种坡口焊接中没有进行焊接质量控制。 |
| 8. | Weldability testing - method of y - groove cracking test
型坡口焊接裂纹试验方法 |
| 9. | First the pipe facing machine is inserted into the pipe end
首先将管道坡口机插进管端。 |
| 10. | Two pfms are normally used on major pipeline projects
大多数管道工程通常使用两个坡口机。 |
