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整流管 : 154 phrases in 12 subjects |
| Aviation | 5 |
| Electronics | 24 |
| General | 31 |
| Jet engines | 2 |
| Medical | 1 |
| Metallurgy | 1 |
| Microelectronics | 2 |
| Military | 3 |
| Oil processing plants | 4 |
| Radio | 8 |
| Shipbuilding | 2 |
| Technology | 71 |
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