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中国的火车票务系统有多牛：1秒钟可卖票700张
source link: http://tech.sina.com.cn/i/2018-02-13/doc-ifyrpeie1163579.shtml?amp%3Butm_medium=referral
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中国的火车票务系统有多牛：1秒钟可卖票700张
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