 |
| |||
| buried sewer | |||
| underground pipework | |||
| buried pipes; electric underground cable | |||
|
canalisation enterree : 1 短语, 1 学科 |
| 卫生保健 | 1 |
|
| |||
| buried sewer | |||
| underground pipework | |||
| buried pipes; electric underground cable | |||
|
canalisation enterree : 1 短语, 1 学科 |
| 卫生保健 | 1 |