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| 顶力; 顶进力 | |||
| 张拉力; 千斤顶举升力; 顶托力; 顶推力; 顶管顶推力; 预应力混凝上的操作张拉力 | |||
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jacking force : 4 phrases in 1 subject |
| Bridge construction | 4 |
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