hydrogen reduction
| method
| hydrogen reduction | |
| met. од. | 氢还原; 氢还原法 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| ★ 氢还原; ★ 氢还原法 | |||
| 氢还原作用 | |||
|
hydrogen reduction : 19 phrases in 5 subjects |
| Chemistry | 1 |
| Earth sciences | 1 |
| Metallurgy | 14 |
| Oil / petroleum | 1 |
| Technology | 2 |