| 1. | Pilot - operated pressure - control valves for fire - protection service 消防用液压控制阀 |
| 2. | Pilot - operated pressure - control valves for fire - protection service 消防设备用液压控制的压力控制阀 |
| 3. | The normal operating pressure value can also be achieved in summer 正常工作压力值在夏季也能达到。 |
| 4. | Maximum operating pressure differential 最大工作压差 |
| 5. | Self - operated pressure regulator 自力式压力调节阀 |
| 6. | Operating pressure differential 工作压差 |
| 7. | Minimum operating pressure 最低工作压力 |
| 8. | Maximum operating pressure 最高工作压力 |
| 9. | Max operating pressure 最高工作压力 |
| 10. | Operating pressure angle 工作压力角 |