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| 氧气操纵器 (氧气设备的操纵机构) | |||
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oxygen controller : 9 Phrasen in 5 Thematiken |
| Landwirtschaft | 1 |
| Luftfahrt | 3 |
| Metallurgie | 2 |
| Technik | 1 |
| Weltraum | 2 |
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| |||
| 氧气操纵器 (氧气设备的操纵机构) | |||
|
oxygen controller : 9 Phrasen in 5 Thematiken |
| Landwirtschaft | 1 |
| Luftfahrt | 3 |
| Metallurgie | 2 |
| Technik | 1 |
| Weltraum | 2 |