q=%E4%B8%AD%E5%8D%8E%E4%BA%BA%E6%B0%91%E5%85%B1%E5%92%8C%E5%9B%BD%E5%9B%BD%E5%AE%B6%E6%A0%87%E5%87%86%E9%93%81%E8%B7%AF%E7%BA%BF%E8%B7%AF%E8%AE%BE%E8%AE%A1%E8%A7%84%E8%8C%83gb50090%5C-99&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&searchWay0=marc&logical0=AND
rows=10&searchWay0=marc&logical0=AND
中华人民共和国国家标准铁路线路设计规范GB50090-99