The main measure taken is the application of the five stage design to prestressed steel structure, in which high strength strands are used as prestressed tendons.
主要措施是采用以高强度钢绞线作为预应力拉杆的预应力钢结构五阶段设计。
The main measure taken is the application of the five stage design to prestressed steel structure, in which high strength strands are used as prestressed tendons.
主要措施是采用以高强度钢绞线作为预应力拉杆的预应力钢结构五阶段设计。
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