 |
| |||
| 养护方法 | |||
|
method of curing : 14 Phrasen in 5 Thematiken |
| Architektur | 1 |
| Bauwesen | 1 |
| Metallurgie | 1 |
| Technik | 10 |
| Wasserkraftwerk | 1 |
|
| |||
| 养护方法 | |||
|
method of curing : 14 Phrasen in 5 Thematiken |
| Architektur | 1 |
| Bauwesen | 1 |
| Metallurgie | 1 |
| Technik | 10 |
| Wasserkraftwerk | 1 |