![]() |
| |||
deoxydization | |||
oxygen pull-down |
降 氧: 49 phrases in 14 subjects |
Agriculture | 3 |
Animal husbandry | 1 |
Aviation | 2 |
Chemistry | 4 |
Earth sciences | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 2 |
Perfume | 1 |
Plastics | 6 |
Polymers | 2 |
Space | 5 |
Technology | 16 |
Water resources | 4 |