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| 工字梁 | |||
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| 双梁上楼板挑出; 双丁字梁; 工字钢梁; 双T形梁 | |||
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| 双 T 梁 | |||
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double T -beam : 3 phrases in 2 subjects |
| Architecture | 1 |
| Technology | 2 |
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