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| 点电极: 35 phrases in 11 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Aviation | 1 |
| Business | 1 |
| Communications | 1 |
| Electronics | 3 |
| Metallurgy | 6 |
| Oil / petroleum | 7 |
| Plastics | 1 |
| Space | 1 |
| Technology | 12 |
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