| 1. | The design and application of new type conditioning valve 新型调节阀的设计与应用 |
| 2. | The compensation for the flow characteristics of valve 调节阀的流量特性校正 |
| 3. | Soft - sealing gate valve can be used for adjusting purpose 软密封闸阀也可作调节阀使用。 |
| 4. | Standard for safety for pressure - regulating valves for lp gas 液化石油气压力调节阀的安全标准 |
| 5. | Vcmv vacuum control modulator valve 真空控制电磁阀,真空控制调节阀 |
| 6. | The application of balance valve in building energy conservation 供热系统中电动调节阀门的应用 |
| 7. | Industrial - process control valves . control valve data sheet 工业过程用调节阀.调节阀的数据活页 |
| 8. | Thermostatic evaporator pressure regulator 蒸发器恒温压力调节阀 |
| 9. | Vent or chimney connector dampers for oil - fired appliances 燃油设备用通风孔或烟囱连接器调节阀门 |
| 10. | Self - operated differential pressure regulator 自力式差压调节阀 |