 |
| |||
| 时间-地层单元 | |||
| 年代地层单位; 时代地层单位【地】; 时间地层单位 | |||
| |||
| 年代地层单位; 时代地层单位【地】; 时间地层单位 | |||
| time -stratigraphic unit: 6 phrases in 3 subjects |
| Drilling | 1 |
| Oil / petroleum | 3 |
| Technology | 2 |
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