 |
| |||
| bitumen | |||
| 洒青: 62 phrases in 6 subjects |
| Architecture | 3 |
| Automobiles | 4 |
| General | 1 |
| Hydroelectric power stations | 4 |
| Oil / petroleum | 1 |
| Technology | 49 |
|
| |||
| bitumen | |||
| 洒青: 62 phrases in 6 subjects |
| Architecture | 3 |
| Automobiles | 4 |
| General | 1 |
| Hydroelectric power stations | 4 |
| Oil / petroleum | 1 |
| Technology | 49 |