 |
| |||
| 混凝土 (水和胶合剂的混合物。 通常为波特兰水泥，当它干燥后会像岩石一样的坚硬。) | |||
| 水泥 | |||
| |||
| 混凝土水泥－ | |||
| béton: 5 phrases in 5 subjects |
| Environment | 1 |
| Hydrology | 1 |
| Name of organization | 1 |
| Technology | 1 |
| Water resources | 1 |
|
| |||
| 混凝土 (水和胶合剂的混合物。 通常为波特兰水泥，当它干燥后会像岩石一样的坚硬。) | |||
| 水泥 | |||
| |||
| 混凝土水泥－ | |||
| béton: 5 phrases in 5 subjects |
| Environment | 1 |
| Hydrology | 1 |
| Name of organization | 1 |
| Technology | 1 |
| Water resources | 1 |