鞍钢冷轧厂镀锌机组自投产以来，一直存在钢卷车在卸卷时发生内径抽芯卸卷失败等卸卷故障。
The strip winding near the inner core of coil car has always been stripped while discharging coil since galvanizing mills put into operation in Angang Cold Rolled Sheet Plant.
宝钢1 42 0冷轧酸轧机组投产以来，一直存在钢卷车卸卷不良的问题，严重影响了正常生产。
There always has been a problem of fault unloading of coil car since 1420 CDCM at Bao steel was put into production in 1997, which affected normal production greatly.
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