 |
| |||
| 抽油杆与油管 | |||
| 钻杆与套管 | |||
| 钻杆和套管｛钻｝ | |||
| 抽油杆和油管 | |||
|
rods and tubing : 9 phrases in 3 subjects |
| Mechanics | 2 |
| Mining | 6 |
| Technology | 1 |
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