 |
| |||
| 对接头; 对头连接 | |||
| |||
| 两头对接 | |||
|
butt and butt joint : 14 phrases in 4 subjects |
| Bridge construction | 3 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Technology | 8 |
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