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空蚀: 118 phrases in 15 subjects |
Automobiles | 1 |
Chemistry | 2 |
Ecology | 3 |
Electric machinery | 2 |
Electronics | 8 |
General | 1 |
Hydroelectric power stations | 19 |
Metallurgy | 6 |
Nautical | 1 |
Oil / petroleum | 4 |
Plastics | 1 |
Shipbuilding | 3 |
Space | 3 |
Technology | 63 |
Wind Energy | 1 |