| 1. | The difficult-to-describe flow of gas, with its large deviations from plug flow and the bypassing of solids by bubbles, represents an inefficient contacting system .
气体流动状态难以描述，与活塞流离较大，由于气泡产生而使固体颗粒发生沟流，这些都表示接触效率降低。 |
| 2. | Same world - class proactive contact system
相同的世界级主动联络系统！ |
| 3. | A new idea of research on contact system of automobile relay
汽车继电器触头系统研究新思路 |
| 4. | Mechanical property of contact system between roller and roller axle
回转窑托轮和托轮轴接触体系的力学特征 |
| 5. | Test methods of fittings for overhead contact system in electrification railway
电气化铁道接触网零部件试验方法 |
| 6. | Optimized application of amf and rmf contact systems in vacuum interrupters
真空灭弧室纵向和横向磁场触头及其优化应用 |
| 7. | Fittings for overhead contact system of electrification railway - part 17 : steadyarm
电气化铁道接触网零部件第17部分：定位器 |
| 8. | Technical specification of fittings for overhead contact system in electrification railway
电气化铁道接触网零部件技术条件 |
| 9. | Circular prestressed concrete pole for overhead contact system of electrified railway
电气化铁道接触网环形预应力混凝土支柱 |
| 10. | Fittings for overhead contact system of electrification railway - part 23 : cross link
电气化铁道接触网零部件第23部分：连接器 |
