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| apparatus for flashing scores; mark transmission apparatus | |||
| 示分器: 50 phrases in 17 subjects |
| Agriculture | 2 |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 7 |
| Construction | 1 |
| Electronics | 8 |
| Fishery fishing industry | 1 |
| Geophysics | 2 |
| Information technology | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Space | 5 |
| Technology | 13 |
| Textile industry | 1 |
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