 |
Rocan | copper
| copper | |
| gen. | 警察 |
| avia. | 铜; 红铜 |
| compr. | 铜 |
| econ. | 铜币 |
| environ. | 铜 |
| hydroel.st. | 铜器; 紫铜 |
| met. | 铜Cu |
| tech. | 铜 |
|
Rocan copper : 3 phrases in 3 subjects |
| Construction | 1 |
| Metallurgy | 1 |
| Technology | 1 |