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| hardened and tempered | |||
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| hardened and tempered steel | |||
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| treated | |||
| 调质的: 14 phrases in 11 subjects |
| Automobiles | 1 |
| China | 1 |
| Commerce | 1 |
| Cosmetics and cosmetology | 1 |
| Economy | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Genetics | 3 |
| International trade | 1 |
| Marketing | 1 |
| Technology | 2 |