 |
| |||
| 用带输送机装载 | |||
|
belt loading : 17 phrases in 6 subjects |
| Aviation | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Shipbuilding | 1 |
| Technology | 12 |
| Wood processing | 1 |
|
| |||
| 用带输送机装载 | |||
|
belt loading : 17 phrases in 6 subjects |
| Aviation | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Shipbuilding | 1 |
| Technology | 12 |
| Wood processing | 1 |