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一列国内目前设计最先进、档次最高、运行速度可达 2 0 0km/h的双层空调铁路客车近日在青岛四方机车车辆厂研制成功 ,并即将在北京至天津间投入运行。该列双层客车运行时为 1 0辆编组 ,其核心部件 SW— 2 0 0型转向架是四方厂自行研制的 ,其优良的综合技术性能和高可靠性赢得了
At present, a series of double-deck air-conditioned railway passenger cars with the most advanced design, highest grade and operating speed of up to 200 km / h have been successfully developed in Qingdao Sifang Locomotive and Rolling Stock Plant and will soon be put into operation from Beijing to Tianjin. This double-decker bus runs 10 marshals and its core SW-200 bogie was self-developed by Sifang Plant and won its excellent overall technical performance and high reliability