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预制钢筋混凝土
| 空心梁
| 预制钢筋混凝土 | |
| archit. | precast reinforced concrete construction |
| 空心 梁 | |
| tech. | hollow girder |
| 空心梁 | |
| archit. | hollow girder |
| oil | box girder; hollow beam |
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| precast reinforced concrete construction (结构) | |||
| precast reinforced concrete | |||
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预制钢筋混凝土 : 39 phrases in 3 subjects |
| Bridge construction | 10 |
| Earth sciences | 1 |
| Technology | 28 |
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