| 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. | Study and application of pulse gas carburizing technology
脉冲式气体渗碳技术研究和应用 |
| 4. | Improvement of workholders for gas carburizing pit - type furnace
井式气体渗碳炉工装改进 |
| 5. | The optimization of gas carburizing technique
气体渗碳工艺参数的优化 |
| 6. | Drop feed well type gas carburizing furnace
滴注式井式气体渗碳炉 |
| 7. | Automatic production line for gas carburization
气体渗碳自动线 |
| 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 |
