 |
| |||
| 横向孔; 瓦轭两耳的轴承通孔以装同心轴承 | |||
| 十字形孔 | |||
| |||
| 联络巷道; 石门 | |||
| 横巷 | |||
| 井间 | |||
|
cross hole : 26 phrases in 5 subjects |
| Engineering geology | 4 |
| Geophysics | 3 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 8 |
| Technology | 10 |
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