| 1. | Pressure control systems used on steam turbine - generator units 汽轮发电机组用压力控制系统 |
| 2. | Hydraulic fluid power - valves - testing method of pressure control valves 压力控制阀试验方法 |
| 3. | Direct acting pressure reducing and pressure restricting valves 直接控制的减压阀和压力控制阀 |
| 4. | Keep other pressures under control 将压力控制在可承受的范围内。 |
| 5. | Keep other pressures under control 把压力控制在自己的范围之内。 |
| 6. | Pilot - operated pressure - control valves for fire - protection service 消防设备用液压控制的压力控制阀 |
| 7. | Automatic pressure - operated valves for natural gas dispensing systems 天然气分装系统用自动压力控制阀 |
| 8. | Hydraulic fluid power . valves controlling flow and pressure . test methods 液压系统流量和压力控制阀试验方法 |
| 9. | The optimal analysis of rewinder ' s pressing roller pressure control system 复卷机压纸辊压力控制系统的优化分析 |
| 10. | Hydraulic fluid power - valves controlling flow and pressure - test methods 液压动力.流量和压力控制阀.试验方法 |