 |
| |||
| central control | |||
| 中央操纵: 11 phrases in 6 subjects |
| Animal husbandry | 1 |
| Aviation | 3 |
| Compressors | 1 |
| Oil / petroleum | 1 |
| Technology | 4 |
| Wind Energy | 1 |
|
| |||
| central control | |||
| 中央操纵: 11 phrases in 6 subjects |
| Animal husbandry | 1 |
| Aviation | 3 |
| Compressors | 1 |
| Oil / petroleum | 1 |
| Technology | 4 |
| Wind Energy | 1 |