| 1. | The case-hardening or carburizing process is in wide use .
表面淬火或渗碳法应用十分广泛。 |
| 2. | Casehardening is used more than the other methods in aircraft work .
在飞机制造中，渗碳法比其它方法用得更普遍。 |
| 3. | New process of drop feed gas carburizing with high rate
滴注式快速气体渗碳新技术 |
| 4. | Gear pre - oxidation gas carburizing at low temperatrue
齿轮预氧化低温气体渗碳 |
| 5. | Research on high - density carbonization of carburizing steel
渗碳钢高浓度渗碳的研究 |
| 6. | Carburizing steels of bearing for freight rolling bearing
铁路货车滚动轴承用渗碳轴承钢 |
| 7. | Study and application of pulse gas carburizing technology
脉冲式气体渗碳技术研究和应用 |
| 8. | Improvement of workholders for gas carburizing pit - type furnace
井式气体渗碳炉工装改进 |
| 9. | Improvement of 20crni2mo gear carbonization process
材料齿轮渗碳工艺改进 |
| 10. | Failure analysis of the breaking of reducing carburized gear
减速器渗碳齿轮断裂失效分析 |
