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在安装专用力矩控制系统和采用湿式平整操作法后，已将因锌粘附而使平整机工作辊非计划更换次数减少约８０％
After the installation of the dedicated torque control system and the wet-smoothing operation, the unwinding of the work roll of the flattening machine due to zinc adhesion has been reduced by about 80%