 |
| |||
| 多炉裂化; 分别裂化; 选择裂化 | |||
| 选择裂化过程 | |||
|
selective cracking process : 7 phrases, 4 sujets |
| Chimie | 2 |
| Industrie textile | 1 |
| Sciences de la Terre | 1 |
| Technologie | 3 |
|
| |||
| 多炉裂化; 分别裂化; 选择裂化 | |||
| 选择裂化过程 | |||
|
selective cracking process : 7 phrases, 4 sujets |
| Chimie | 2 |
| Industrie textile | 1 |
| Sciences de la Terre | 1 |
| Technologie | 3 |