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| 两轴 | |||
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two- axis : 39 phrases in 9 subjects |
| Agriculture | 1 |
| Aviation | 8 |
| Bridge construction | 1 |
| Electric machinery | 3 |
| Electronics | 3 |
| Metallurgy | 4 |
| Oil / petroleum | 1 |
| Space | 7 |
| Technology | 11 |
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