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| 辊压钢梁 | |||
| 辊轧钢梁; 型钢梁 | |||
| 轧制钢梁; 轧制的钢梁 | |||
| 压延钢梁; 辊轧钢梁辊压钢梁 | |||
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rolled steel beam : 5 phrases in 2 subjects |
| Bridge construction | 4 |
| Technology | 1 |
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