| 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. | Welding procedure specification for co2 shielded arc welding 二氧化碳气体保护焊工艺规程 |
| 5. | Flux cored wires for electrogas arc welding 气体保护电弧焊用管状焊丝 |
| 6. | Mag welding for 12ni14 low temperature steel heat exchanger 14低温钢换热器的混合气体保护焊 |
| 7. | 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 |
| 8. | Carbon steel electrodes and rods for gas shielded arc welding 气体保护电弧焊用碳钢焊条和焊棒 |
| 9. | 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 |
| 10. | Low - alloy steel electrodes and rods for gas shielded arc welding 气体保护电弧焊用低合金钢焊条和焊棒 |