2007年4月18—20日,第6届北京国际商用汽车及零部件博览会在北京展览馆举行。在本次展会上,国内众多厂家展示了自己的代表产品和最新产品。铰接车,也叫“通道车”“巨龙车”,指使用2节或者3节车厢,中间用铰接盘和帆布篷连接起来的一种大容量客车,多用在城市公共交通方面。20世 April 18-20, 2007, the 6th Beijing International Commercial Auto Parts Expo held in Beijing Exhibition Center. In this exhibition, many domestic manufacturers show their representative products and the latest products. Articulated cars, also called “channel cars” and “dragon cars,” refer to a large-capacity passenger car that uses two or three carriages with a hinged disk and a canvas canopy in between. It is mostly used in urban public transport. 20th Century