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| 指零器: 21 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Computers | 1 |
| Construction | 1 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Information technology | 1 |
| Natural sciences | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 9 |
| Textile industry | 1 |
| Transport | 1 |
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