本次研发的30T翻卷过跨车，是典型的机电一体化产品，它除了具有翻卷功能外，还具有运输钢卷的功能，并将成为很便利的冷、热轧带钢车间生产工具。
The 30T coiling cross-train of the paper is a typical mechatronic products, it has not only coiling function but also transport, and will become a convenient tool.
钢卷升降运输小车广泛用于轧钢工业生产线，在使用过程中其液压系统经常出现故障。
Coil car has been widely used in rolling production line. But fault of hydraulic pressure occurs frequently because of the influence of oil on every hydraulic component.
钢卷升降运输小车广泛用于轧钢工业生产线，在使用过程中其液压系统经常出现故障。
Coil car has been widely used in rolling production line. But fault of hydraulic pressure occurs frequently because of the influence of oil on every hydraulic component.
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