prestressed steel wire strand
prestressed steel wire strand
预应力钢绞线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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