| 1. | New process of drop feed gas carburizing with high rate 滴注式快速气体渗碳新技术 |
| 2. | Gear pre - oxidation gas carburizing at low temperatrue 齿轮预氧化低温气体渗碳 |
| 3. | Experimental verification of cad software for gas carburizing 软件的试验验证 |
| 4. | Study and application of pulse gas carburizing technology 脉冲式气体渗碳技术研究和应用 |
| 5. | Improvement of workholders for gas carburizing pit - type furnace 井式气体渗碳炉工装改进 |
| 6. | The optimization of gas carburizing technique 气体渗碳工艺参数的优化 |
| 7. | Drop feed well type gas carburizing furnace 滴注式井式气体渗碳炉 |
| 8. | Application of computer control system in gas carburizing furnace 计算机控制系统在气体渗碳炉上的应用 |
| 9. | Study on gas carburizing technique of instillation with kerosene - carbinol 甲醇滴注式气体渗碳工艺的研究 |
| 10. | Development and application of the huge pit furnace for gas carburizing 超大型井式气体渗碳炉的研制和应用 |