| 1. | Operation notice of co2 gas - shield welding machine 2气体保护焊机操作注意事项 |
| 2. | Digital controlling technique of co2 gas shielded welder nbc 2气体保护焊机的数控技术 |
| 3. | Numerical simulation of co2 arc welding temperature field 2气体保护焊温度场的数值模拟 |
| 4. | Mag welding for 12ni14 low temperature steel heat exchanger 14低温钢换热器的混合气体保护焊 |
| 5. | One side welding both side shaping co2 arc welding technology 2气体保护焊单面焊双面成形技术 |
| 6. | Development of welding wire for argon rich mixed gas arc welding 富氩混合气体保护焊用焊丝的研制 |
| 7. | Gas shielded magnetic flux arc welding 磁性气体保护焊 |
| 8. | Steel wires for gas shielded welding 气体保护焊用钢丝 |
| 9. | Carbon dioxide gas arc welding 二氧化碳气体保护焊 |
| 10. | Gas tungsten arc welding of titanium piping and tubing , recommended practice for 钛管和管道钨电极气体保护焊推荐规程 |