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地铁是地下铁道的简称,它具有运量大、速度快、安全、舒适、运输成本低、与地面其他交通互不干扰等优点,因此成为解决城市交通紧张状态的有效途径。一般认为,城市人口超过百万就应该考虑修建地铁。世界上修建地铁最早的城市是英国伦敦。第一条地铁线在1863年1月10日通车,只有6千米长,列车用烧煤的蒸汽机车牵引。当初参加通车典礼的绅士淑女们个个打扮得漂漂亮
Subway is the abbreviation of subway. It has the advantages of large capacity, fast speed, safety, comfort, low transportation cost and no interference with other traffic on the ground. So it becomes an effective way to solve the urban traffic tension. Generally believed that the urban population of more than one million should consider the construction of the subway. The earliest city in the world to build the subway is London, England. The first subway line was opened to traffic on January 10, 1863, only 6 km long. The train was towed by steam locomotives that used coal to burn coal. The gentlemen and ladies who participated in the opening ceremony all dressed up beautifully