 |
| 氧化层: 181 phrases in 19 subjects |
| Architecture | 1 |
| Automobiles | 3 |
| Aviation | 4 |
| Business | 1 |
| Chemistry | 2 |
| Earth sciences | 2 |
| Ecology | 1 |
| Electronics | 70 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 9 |
| Metallurgy | 29 |
| Mining | 1 |
| Oil / petroleum | 9 |
| Polymers | 2 |
| Semiconductors | 2 |
| Space | 12 |
| Technology | 29 |
| United Nations | 1 |
| Water resources | 1 |