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| variable cross-section | |||
| 变断面: 38 phrases in 8 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Construction | 1 |
| Electronics | 3 |
| Metallurgy | 13 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Technology | 16 |
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