 |
| |||
| 永久斜向器; 固定斜向器 | |||
| 永久型造斜器 | |||
| 固定造斜器 | |||
|
permanent whipstock : 1 phrase in 1 subject |
| Drilling | 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