| |||
| 污染预防和控制 | |||
| 污染防治 | |||
|
Pollution Prevention and Control : 46 Phrasen in 9 Thematiken |
| China | 7 |
| Eisenbahnwesen | 1 |
| Erdöl | 1 |
| Ingenieurgeologie | 1 |
| Ökologie | 12 |
| Technik | 19 |
| Textil | 2 |
| Vereinte Nationen | 1 |
| Wasservorkommen | 2 |
| |||
| 污染预防和控制 | |||
| 污染防治 | |||
|
Pollution Prevention and Control : 46 Phrasen in 9 Thematiken |
| China | 7 |
| Eisenbahnwesen | 1 |
| Erdöl | 1 |
| Ingenieurgeologie | 1 |
| Ökologie | 12 |
| Technik | 19 |
| Textil | 2 |
| Vereinte Nationen | 1 |
| Wasservorkommen | 2 |