алтны хүдэр Европын хувилбар хүдэр бутлуур
2plf100150 шигших бутлуур . Trolleybuses in Shanghai Wikipedia. The Shanghai trolleybus system is a system of trolleybuses forming part of the public transport network in the city of Shanghai, more than 300 trolleybus systems in operation worldwide (as of 2011), the Shanghai system is the oldest.
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