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钻-铬 : 19 phrases in 9 subjects |
| Architecture | 2 |
| Chemistry | 1 |
| Earth sciences | 2 |
| General | 5 |
| Latin | 1 |
| Metallurgy | 4 |
| Plastics | 1 |
| Steel production | 1 |
| Technology | 2 |
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