 |
center drilling
| borehole
| center drilling | |
| tech. | 中心钻削 |
| borehole | |
| eng.geol. | 炮眼; 鑽孔 |
| oil | 井筒; 膛孔 |
| soil. | 探孔 |
| tech. | 水井 |
| UN geol. | 钻孔; 井眼 |
| water.res. | 管井 |
| |||
| 中心钻削 | |||
| center drilling: 15 phrases in 5 subjects |
| Automobiles | 1 |
| Drilling | 6 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Technology | 5 |
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