The comparison and analysis of different type steel coil cars in terms of the cradle, car structure, travel drive and coil loading/unloading control shows their own characteristics and applicability for special service condition.%通过对钢卷小车托卷装置、车体结构、行走驱动装置和上卸卷控制系统的对比与分析,指出它们的特点以及在特殊使用条件下各自的适用性。
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