| 名称: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
| 标题: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
- 油砂 (4)
- congresses (2)
- oil sands (2)
- 教材 (2)
- 油井防砂 (2)
- 油画技法 (2)
- 油砂体 (2)
- 研究 (2)
- east indians (1)
- effect of oil spills on (1)
- effect of water pollution on (1)
- emigration and immigration (1)
- enhanced oil recovery (1)
- environmental aspects (1)
- fisheries (1)
- fishes (1)
- foreign workers, east indian (1)
- india (1)
- liquid fuels (1)
- marine animals (1)
主题
| 1. |
|
|
|
| 2. |
|
|
|
| 3. |
|
|
|
| 4. |
|
|
|
| 5. |
|
|
|
| 6. |
|
|
|
| 7. |
|
|
|
| 8. |
|
|
|
| 9. |
|
|
|
| 10. |
|
|
