 |
| |||
| minimum effective hole diameter | |||
| |||
| minimum effective hole diameter | |||
|
最小有效井径 : 3 phrases in 2 subjects |
| Drilling | 2 |
| Oil / petroleum | 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