 |
| |||
| 氧气操纵器 (氧气设备的操纵机构) | |||
|
oxygen controller : 9 phrases, 5 sujets |
| Agriculture | 1 |
| Aviation | 3 |
| Espace | 2 |
| Métallurgie | 2 |
| Technologie | 1 |
|
| |||
| 氧气操纵器 (氧气设备的操纵机构) | |||
|
oxygen controller : 9 phrases, 5 sujets |
| Agriculture | 1 |
| Aviation | 3 |
| Espace | 2 |
| Métallurgie | 2 |
| Technologie | 1 |