... post tension unit后张拉单元 post tensioned construction后张拉结构 post tensioned steel后张拉钢筋 ...
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post-tensioned steel strand 后张法钢绞线
post-tensioned prestressed steel 后张预应力筋
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This paper analyses the problem of the theoretic elongation of post-tensioned steel strand of parabola-shape.
分析了后张法预应力抛物线形钢绞线理论伸长值计算问题。
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