| |||
| 电弧 | |||
|
electrical arc : 46 phrases in 6 subjects |
| Chemistry | 3 |
| Electronics | 2 |
| Nautical | 1 |
| Space | 1 |
| Technology | 38 |
| Wind Energy | 1 |
| |||
| 电弧 | |||
|
electrical arc : 46 phrases in 6 subjects |
| Chemistry | 3 |
| Electronics | 2 |
| Nautical | 1 |
| Space | 1 |
| Technology | 38 |
| Wind Energy | 1 |