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变换装 置 : 57 phrases in 17 subjects |
| Air defense | 1 |
| Astronautics | 1 |
| Automobiles | 3 |
| Aviation | 4 |
| Earth sciences | 1 |
| Electric machinery | 2 |
| Electronics | 5 |
| General | 6 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Rail transport | 1 |
| Space | 7 |
| Technology | 16 |
| Telecommunications | 3 |
| Textile industry | 2 |
| Wind Energy | 1 |
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