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松钢 : 37 phrases in 10 subjects |
| Bridge construction | 8 |
| Compressors | 1 |
| Drilling | 1 |
| Engineering geology | 1 |
| Entomology | 4 |
| Metallurgy | 9 |
| Rail transport | 1 |
| Steel production | 1 |
| Technology | 10 |
| Textile industry | 1 |
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