嗯,是这样的
简单的说一下,具体可以google一下嘿嘿,Mercedes-Benz Citaro O530G是18米铰接车,Mercedes-Benz Citaro O503是12米单机车,而Mercedes-Benz Cito O520 是相当于小巴级别的公交车型,注意,以上车型都是低地板级的车型嘿嘿
Mercedes-Benz O503G is a type of articulated-bus(gelenkbus),Mercedes-Benz O530 is just standard or single-storey bus,Mercedes-Benz O520 Cito is midibus,please note:they're all low-floor buses above mentioned,aha!!!