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铁路已经成为中国人出行最主要的交通方式,年发送旅客已经超过13亿人次。有关预测表明,到2020年,全国铁路年客流量将达到40亿人次。列车车厢俨然已是一个流动的社会。如果说在过去铁路只需要为旅客提供“运载”
The railway has become the most important mode of transport for Chinese people to travel, sending more than 1.3 billion passengers a year. The forecast shows that by 2020, the national railway passenger traffic will reach 4 billion passengers. Train car as if it is a mobile society. If in the past the railroad only needed to provide passengers with a “carry”