 |
| |||
| 钻机; 打井机 | |||
| 凿井钻; 钻井机; 井钻 | |||
|
well-drill sample : 7 phrases in 2 subjects |
| Drilling | 1 |
| Technology | 6 |
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