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  西汉高速公路穿越秦岭主山脉,山大沟深,地形条件复杂,桥梁隧道诸多,工程技术要求高,施工难度极大。

  Xi’an-Hanzhong goes through Qinling mountains, complicated and deep.It has complex terrain conditions and many bridge and tunnel.The construction difficulty is great,which require high technical,.


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