 |
| |||
| 增氧的 | |||
| 富氧的 | |||
|
oxygen -enriched : 36 phrases in 7 subjects |
| Chemistry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Foreign trade | 2 |
| Metallurgy | 25 |
| Mining | 1 |
| Space | 3 |
| Technology | 3 |
|
| |||
| 增氧的 | |||
| 富氧的 | |||
|
oxygen -enriched : 36 phrases in 7 subjects |
| Chemistry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Foreign trade | 2 |
| Metallurgy | 25 |
| Mining | 1 |
| Space | 3 |
| Technology | 3 |