多年前,德意志民主共和国国家铁道和国营革利茲(Gorlitz)車辆工厂,共同創制了四节的和五节的双层客車組。現已正常运行,并取得了一定的經济效果。以后又大批制造了各种类型的近郊和长途双层客車組。这种多节双层客車組虽已广泛应用,但在結构 Years ago, the German state railways and the state-run Gorlitz vehicle factory co-created four-and five-seater double-decker bus sets. Now normal operation, and achieved some economic results. Since then, a large number of various types of suburban and long-distance double-decker buses have been manufactured. Although this multi-section double-decker bus has been widely used, but in the structure