| |||
| 增氧的 | |||
|
oxygen-enriched : 34 phrases in 6 subjects |
| Chemistry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 25 |
| Mining | 1 |
| Space | 3 |
| Technology | 3 |
| |||
| 增氧的 | |||
|
oxygen-enriched : 34 phrases in 6 subjects |
| Chemistry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 25 |
| Mining | 1 |
| Space | 3 |
| Technology | 3 |