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为什么要修建地铁?

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为什么要修建地铁?

地铁作为现代城市的jiao通设施,是必不可少的。地铁ju有车辆运行速度快、车次多、旅客运送量大、方便舒适等特点。在战时,地铁还是很好的防空掩ti。让我们以举例说明一下地铁的优越xing吧。以上海地铁为例,第一是速度与时间上的优势。上海地铁1号线全长16。2千米,共设13个车站。地铁的速度比公共汽车快两倍多,原来需要1小时的路程,坐地铁只要20分钟。第二,车次多。行车间隔为2分钟。第三,客运量大,方便舒适。上海地铁车辆是从德国引进的。车厢每节长23米,宽3米,可载客400多人。车厢内比公共汽车宽松,高峰时,每平方米站立5-6人,而公共汽车是12人。现在,大多数城市的地铁车站内设置空调,并设有闭路电视、广播、自动防灾报警系统,设备已经越来越完善。

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