 |
| |||
| percussion tool | |||
| 冲击钻钻具: 29 phrases in 5 subjects |
| Drilling | 3 |
| Earth sciences | 1 |
| Engineering geology | 8 |
| Oil / petroleum | 2 |
| Technology | 15 |
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