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烧蚀: 347 phrases in 15 subjects |
Astronautics | 30 |
Automobiles | 1 |
Aviation | 1 |
Chemistry | 1 |
Electronics | 3 |
Firefighting and fire-control systems | 11 |
General | 76 |
Geology | 1 |
Military | 3 |
Missiles | 3 |
Nanotechnology | 4 |
Oil and gas | 3 |
Oil processing plants | 6 |
Polymers | 1 |
Technology | 203 |