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广州市轨道交通9号线施工5标盾构隧道线路总长度约9.35km,为广州地铁史上最长标段。包括清布站、清布～高增区间和高增站,区间线路自清布站沿着迎宾大道东南向行下穿106国道、机场高速北延线和机场高速后,在高增与3号线北延线高增站平行换乘。线路大部地段分布的基岩是石炭系中上统壶天群灰岩或石炭系下统
Guangzhou Metro Line 9 construction of 5 standard shield tunnel line total length of about 9.35km, Guangzhou Metro the longest tenders in history. Including Qingbu Station, Qingbu ~ Gaoseng Interval and Gaoseng Station, and the inter-interval line Ziqingbu Station runs down National Highway 106 south-east of Yingbin Avenue and after the high-speed north extension of the airport and the airport expressway, North extension line number increase station parallel transfer. The bedrock distributed in most of the line is limestone or Carboniferous underlain by the Upper Carboniferous Huitian Group in the Carboniferous