prestressed wire winding 预应力缠绕
prestressed wire rod 预应力盘条
standard prestressed wire 标准芯样
Steel Wire For Prestressed Concrete 预应力混凝土钢丝
prestressed wire without bond 无粘结预应力筋
prestressed wire winding frame 预应力钢丝缠绕机架
prestressed wire with low relaxation 低松弛预应力钢丝
prestressed concrete wire 预应力钢丝 ; 预应力混凝土钢丝
Thereby difficult problem that we test relaxation ratio of prestressed concrete steel wire for 1000 hours has been solved.
此法成功地用于生产中，从而解决了预应力钢丝1000小时松弛率检验的难题。
Prestressed steel wire and strand for bridge are used in the condition of high alternating stress with humidity atmosphere and sometime seawater atmosphere, which speed up the corrosion.
桥梁用预应力钢丝钢绞线都在高的交变应力状态下服役，加上海水、潮湿环境的影响，更加速其应力腐蚀的速率。
The materials′properties of prestressed steel wire post high temperatures were studied by experiments and various cooling patterns were considered in the experiments.
试验研究了预应力钢丝在经历高温作用并冷却至室温后的力学性能。
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