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变截面 : 88 phrases in 13 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Electronics | 8 |
| Energy industry | 1 |
| General | 22 |
| Geology | 1 |
| Mechanic engineering | 2 |
| Metallurgy | 2 |
| Nautical | 1 |
| Nuclear chemistry | 1 |
| Oil and gas | 1 |
| Oilfields | 1 |
| Technology | 45 |
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