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| core-sheath; core-skin | |||
| 皮芯: 55 phrases in 9 subjects |
| Chemistry | 1 |
| Electronics | 2 |
| General | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Polymers | 12 |
| Space | 2 |
| Technology | 6 |
| Textile industry | 26 |
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