| 1. | Resistance spot and seam welding process for aerospace use
航空航天用接触点焊及滚焊的焊接工艺 |
| 2. | Dimensions of seam welding wheel blanks
滚焊电极滚轮毛坯的尺寸 |
| 3. | Roll welding machine for stell bar skeleton of reinforced concrete pipe
钢筋混凝土管钢筋骨架滚焊机 |
| 4. | Usage of roll welding machine for hooped reinforcement cage of pile with drilling hole
钻孔桩钢筋笼滚焊机的应用 |
| 5. | Universal seam welder
万能滚焊机 |
| 6. | Vickers hardness testing of resistance spot , projection and seam welds low load and microhardness
电阻点焊凸焊和滚焊的维氏硬度试验 |
| 7. | Vickers hardness testing of resistance spot , projection and seam welds low load and microhardness
电阻点焊凸焊和滚焊的焊接点维氏硬度试验 |
| 8. | Welding and allied techniques . resistance spot , projection and seam welded lap joints . tension shear tests
焊接及相关技术.电阻点焊凸焊和滚焊搭接接头 |
| 9. | Specimen dimensions and procedure for mechanized peel testing resistance spot , seam and embossed projection welds
电阻点焊滚焊和浮凸焊接机械剥离试验的程序和样品尺寸 |
| 10. | Specimen dimensions and procedure for mechanized peel testing resistance spot , seam and embossed projection welds
电阻点焊滚焊和浮凸焊接机械剥离试验的程序和试样尺寸 |
