| 1. | Parallel seam resistance welding equipment
并列缝合电阻缝焊装置 |
| 2. | On - line tube seam annealing unit
直缝焊钢管焊缝退火全套设备 |
| 3. | Dimensions of seam welding wheel blanks
缝焊焊轮坯料尺寸 |
| 4. | Development on microcomputer controllerfor condenser discharge seam welder
电容贮能缝焊机微机控制器研制 |
| 5. | Standard specification for cold - drawn buttweld carbon steel mechanical tubing
冷拉对缝焊碳素钢机械管的标准规范 |
| 6. | Aerospace ; acceptance test of resistance spot and roller seam welding machines
航空航天.电阻焊机和滚缝焊机的验收 |
| 7. | Welding and allied techniques . spot , projection or seam welded lap joints
焊接和有关技术.点焊凸焊或缝焊搭接接头 |
| 8. | Superaudio frequency induction heating equipment high - frequency induction heating equipment
直缝焊钢管焊缝退火全套设备 |
| 9. | Model fn round seam welder
圆管缝焊机 |
| 10. | Parallel seam welding
平行缝焊 |
