 |
| |||
| 管道油; 纯油 | |||
| 管输原油 | |||
|
pipe line oil : 9 phrases in 6 subjects |
| China | 1 |
| Earth sciences | 1 |
| General | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| 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