xinglu technology participated in the supply of the monitoring project of the liupanshan tunnel in l-捕鱼游戏

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xinglu technology participated in the supply of the monitoring project of the liupanshan tunnel in l

时间:2017/10/19 17:25:52 浏览:130次
the liupanshan tunnel has a total length of 9485 meters. it is the longest expressway tunnel in the plateau area above 2000 meters above sea level in our country. it is also the first two-lane four-lane super-long tunnel in our district. after the tunnel was opened to traffic, the time for vehicles to pass through liupan mountain was shortened from about 1 hour through the 312 national highway to about 20 minutes. this helped 61 poor counties and 14 million rural people in the four provinces of shaanxi, gansu, ningxia, and qinghai participate in the silk development the construction of the road economic belt provides important traffic guarantee.
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