... are the same.5.the system can diagnose the production line automatically.6. every production process can be showed on the ... -15, QT8-15,QT10-15 and QT12-15) economic production line(QT6-15, QT8-15,QT10-15 and QT12-15)well ... -chosen production line(QT6-15, QT8-15,QT10-15 and QT12-15) automatic ...