 |
| |||
| open caisson; pneumatic caisson; sunk well | |||
| open section; skeleton section | |||
| |||
| open caissons | |||
|
caisson ouvert : 5 短语, 2 学科 |
| 自然资源和野生动物保护 | 1 |
| 运输 | 4 |
|
| |||
| open caisson; pneumatic caisson; sunk well | |||
| open section; skeleton section | |||
| |||
| open caissons | |||
|
caisson ouvert : 5 短语, 2 学科 |
| 自然资源和野生动物保护 | 1 |
| 运输 | 4 |