我国自主研制的时速300公里的高速动车组预计今年底下线,国产化率更将达到80％以上,成为未来我国高速客运的主力车型对第六次铁路提速,人们最为关注的是D字头列车。D字头列车的背后孕育着什么样的内涵?提速实施一个半月之后,《瞭望》新闻周刊专访了我国的有关权威专家。接受专访的国家发改委交通运输司 China’s independently developed high-speed EMU with a speed of 300 kilometers per hour is expected to go offline by the end of this year and its localization rate will reach more than 80%. As the main model of China’s high-speed passenger transportation, it will speed up the sixth railway in the future. People are most concerned about the D-type train . D word behind the train what kind of connotation? Speed ​​up the implementation of a half months later, “Outlook” Newsweek interview with the relevant authoritative experts in our country. Interview with the National Development and Reform Commission of the Secretary for Transport