外加轧辊辊端长时间磨损过大，易造成辊身端部局部过载，引发裂纹的产生。
Excessive wear profiles due to long campaigns cause localised overloads at the barrel ends which favour the initial crack.
特点：功放带压限、过载、过流保护，大型散热器保证设备长时间的稳定工作。
Characteristics: that amplifier take to press, over carry, protect over the electric current, and the large have fever the fan to add the stability work to guarantee the equipments long time.
特点：功放带压限、过载、过流保护，大型散热器保证设备长时间的稳定工作。
Characteristics: that amplifier take to press, over carry, protect over the electric current, and the large have fever the fan to add the stability work to guarantee the equipments long time.
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