 |
| |||
| pressure lubrication | |||
| forced lubrication | |||
| 加压润滑: 10 phrases in 7 subjects |
| Automobiles | 1 |
| Electric machinery | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Oil processing plants | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
|
| |||
| pressure lubrication | |||
| forced lubrication | |||
| 加压润滑: 10 phrases in 7 subjects |
| Automobiles | 1 |
| Electric machinery | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Oil processing plants | 1 |
| Shipbuilding | 1 |
| Technology | 4 |