High speed rail surface corrosion in the form of electroplating, hot dip, spray, dip, dip galvanized. High speed rail use effect.
高速护栏表面防腐形式有电镀、热镀、喷塑、浸塑，镀锌后浸塑。高速护栏使用效果。
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。
In the current examination on the speed of reinforcing bar corrosion, the electrochemical method is more and more valued because its equipments are simple and the accuracy is high.
目前在钢筋腐蚀速度检测方面，电化学检测技术因其设备简单、测量精度高且适合于现场检测而越来越受到人们重视。
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