 |
| |||
| sleeve actuator | |||
| sleeving valve | |||
| sleeve valve | |||
| 筒 式阀: 13 phrases in 7 subjects |
| Automobiles | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Technology | 7 |
|
| |||
| sleeve actuator | |||
| sleeving valve | |||
| sleeve valve | |||
| 筒 式阀: 13 phrases in 7 subjects |
| Automobiles | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Technology | 7 |