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德国的ROLAND两轮车辆制造厂为满足市场需求,经努力,开发成功了一种具有多种使用功能的自行车挂车新品。此种新型的自行车挂车,以灵活多变(车上用于装载货物的平板,可根据运载的数量和货物的种类随意进行调整：或将可分离的两块平板各自朝
Germany ROLAND two-wheeled vehicle manufacturing plant to meet market demand, through the efforts to develop a successful use of a variety of bicycle trailers with new features. The new bike trailer is versatile (the tablet on the car is used to load the cargo, which can be arbitrarily adjusted depending on the number of carriers and the type of cargo: either detachable two panels each