(钢丝绳的)预拉伸
英文例句/中文翻译:
quality control of pretensioning prestressed beam
先张予应力梁的质量控制
design of prestressed jacking table with pretensioning method
先张法预应力张拉台座型式的设计
losses of prestress and control in pretensioning construction
先张法施工中的预应力损失及控制