 |
| |||
| 催化触媒还原 | |||
| 催化剂失活 | |||
| 催化还原 | |||
| catalytic reduction: 19 phrases in 7 subjects |
| Automobiles | 8 |
| Metallurgy | 3 |
| Nautical | 3 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Technology | 2 |
| Water resources | 1 |
|
| |||
| 催化触媒还原 | |||
| 催化剂失活 | |||
| 催化还原 | |||
| catalytic reduction: 19 phrases in 7 subjects |
| Automobiles | 8 |
| Metallurgy | 3 |
| Nautical | 3 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Technology | 2 |
| Water resources | 1 |