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.
PLC在运输小车控制中的应用，对运输小车的控制功能及其实现的方法进行了较为详细的描述。
This article introduces the application of PLC (model CPM1A) in the control of transportation cart. It gives a detailed account of the function of the PLC and its mechanism.
滑动变压器是自动化码头非接触感应电能传输系统的核心部件，可以实现高速货物运输小车的安全供电。
Sliding transformer is a core element in contact-less inductive power transfer system of automatic dock, which can realize safe power supply for highspeed freight dollies.
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