As time goes by,aging of the equipment on the line,especially aging of the EIC system,makes some electric components tend to be cracked,which leads to more operation faults.

• 随着时间的推移,机组设备逐步老化,尤其三电系统,电气元器件已有裂化趋势,导致机组运行故障增多,功能、精度已无法适应不断提高的产品质量和稳产、高产的要求。