 |
| |||
| sewerage | |||
| sewage system; sewerage system | |||
| sewage disposal (waste disposal, élimination des déchets) | |||
| |||
| sewage system | |||
| systeme d'egout: 6 短语, 3 学科 |
| 废物管理 | 1 |
| 建造 | 3 |
| 环境 | 2 |
|
| |||
| sewerage | |||
| sewage system; sewerage system | |||
| sewage disposal (waste disposal, élimination des déchets) | |||
| |||
| sewage system | |||
| systeme d'egout: 6 短语, 3 学科 |
| 废物管理 | 1 |
| 建造 | 3 |
| 环境 | 2 |