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| 镇静钢; 脱氧钢; 【钢】 镇静钢 | |||
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solid steel : 36 phrases in 9 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Bridge construction | 2 |
| Electric machinery | 5 |
| Electronics | 2 |
| Metallurgy | 7 |
| Rail transport | 2 |
| Technology | 15 |
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