reduction refining
| method
| reduction refining | |
| met. | 还原精炼 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 还原精炼 | |||
|
reduction refining : 2 phrases in 1 subject |
| Metallurgy | 2 |