 |
| |||
| 调压阀 | |||
| 溢流阀 | |||
| 给水减压阀 | |||
| 减压活门 | |||
| 减速阀 | |||
| 减压阀 | |||
| |||
| 给水减压阀 | |||
| reducing valve: 61 phrases in 13 subjects |
| Architecture | 2 |
| Automobiles | 4 |
| Ecology | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 10 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Refrigeration | 5 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 27 |
| Water resources | 1 |
| Wind Energy | 3 |