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西漢高速公路穿越秦嶺主山脈,山大溝深,地形條件復(fù)雜,橋梁隧道諸多,工程技術(shù)要求高,施工難度極大。
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,.