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| 后张板指预应力混凝土 | |||
| 后张预应力混凝土板 | |||
| 后加拉力板; 后张法预应力混凝土板 | |||
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post-tensioned slab : 4 phrases in 2 subjects |
| Engineering geology | 1 |
| Technology | 3 |
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