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极高 压 : 53 phrases in 15 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 2 |
Desert science | 1 |
Drilling | 2 |
Earth sciences | 1 |
Electronics | 4 |
General | 4 |
Metallurgy | 4 |
Nautical | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 3 |
Technology | 26 |
Telecommunications | 1 |