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| 静电偏转电子射线管 | |||
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electrostatic tube : 16 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Construction | 1 |
| Electronics | 4 |
| General | 2 |
| Mechanics | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 3 |
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