 |
| |||
| beam pumper; walking-beam pumping unit | |||
|
游梁式抽油机 : 4 phrases in 1 subject |
| Oil / petroleum | 4 |
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