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| 复合钢; 覆层钢; 多层钢; 复合〔覆层，多层〕钢 | |||
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ply steel : 11 phrases in 7 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Automobiles | 1 |
| Construction | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 1 |
| Technology | 3 |
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