 |
| |||
| 焊接仰焊位置 | |||
| 仰焊位置 | |||
| overhead position: 12 phrases in 4 subjects |
| Bridge construction | 1 |
| Nuclear and fusion power | 1 |
| Rail transport | 3 |
| Technology | 7 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips