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防 蚀 : 186 phrases in 19 subjects |
Armored vehicles | 1 |
Automated equipment | 1 |
Automobiles | 1 |
Aviation | 7 |
Chemistry | 2 |
Construction | 5 |
Drilling | 1 |
Ecology | 1 |
Electronics | 10 |
Environment | 1 |
General | 32 |
Geology | 1 |
Military | 6 |
Nautical | 2 |
Oil / petroleum | 1 |
Oil and gas | 11 |
Oil processing plants | 15 |
Oilfields | 4 |
Technology | 84 |