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| 双层地楼板 | |||
| 双层楼面; 格栅置在次梁上的楼面构造; 下有吊顶天花板; 下有吊顶的楼板; 双层楼板; 双层龙骨地板; 双层地板; 木楼板层梁上架搁栅,上铺地板; 木楼板层梁上架搁栅上铺地板 | |||
| double floor: 33 phrases in 3 subjects |
| Architecture | 5 |
| Gymnastics | 1 |
| Technology | 27 |
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