运营 来源:汇通财经网 时间:2023-05-28 22:09:59
【资料图】
【西南地区首个40米预制箱梁用于成达万高铁】5月28日,成都至达州至万州高速铁路(简称成达万高铁)在四川资阳中和制梁场浇筑首孔40米预制箱梁。40米预制箱梁是中国高铁重大科研创新成果的工程化应用,首次应用于西南地区高铁建设。
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