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| 屏蔽电子管 | |||
| 捕渣管 | |||
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screen tube : 30 phrases in 10 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Construction | 1 |
| Ecology | 1 |
| Electronics | 2 |
| General | 4 |
| Radio | 2 |
| Rail transport | 2 |
| Space | 2 |
| Technology | 14 |
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