宝天高速公路隧道

　　中交二公局承建陕西宝鸡至甘肃天水高速公路9个标段，其中隧道12座，单洞总长11298.51米，主要有那下湾隧道、放牛坡隧道等千米以上隧道。
　　CCCC Second Highway Engineering Co., Ltd. has contracted to build nine sections of the Shaanxi Baoji-Gansu Tianshui Expressway, 12 of which are tunnels with a total length of single hole of 11,298.51m. The main tunnels are Naxiawan Tunnel and Fangniupo Tunnel, which are more than 1000m long.