| |||
| ★ 导轴瓦 | |||
|
guide bearing segment : 5 phrases in 3 subjects |
| Electric machinery | 1 |
| Hydroelectric power stations | 3 |
| Technology | 1 |
| |||
| ★ 导轴瓦 | |||
|
guide bearing segment : 5 phrases in 3 subjects |
| Electric machinery | 1 |
| Hydroelectric power stations | 3 |
| Technology | 1 |