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| rolled steel beam | |||
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| H-shaped steel beam | |||
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| rolled steel joist (beam) | |||
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| half-joist | |||
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| ell-beam | |||
| 型 钢 梁: 19 phrases in 5 subjects |
| Bridge construction | 3 |
| Construction | 1 |
| Metallurgy | 5 |
| Rail transport | 1 |
| Technology | 9 |
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