 |
| |||
| 顿钻钻具; 冲击钻钻具 | |||
| 冲击钻具 | |||
| 冲击工具; 冲击钻进钻具; 冲击钻进工具 | |||
|
percussion tool : 2 phrases in 2 subjects |
| Engineering geology | 1 |
| 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