• Engineering Innovation of a Length of Nearly 3300m large Diameter Pipeline Installed by HDD 

      Guohui, Li; Xiaocheng, Ma; Chunling, Yang
      The Yangtze River Crossing Project, which is part of the Chinese gas pipeline trunk network and aims to transmit the natural gas to the Yangtze River Delta area, sets up a record for the length of Horizontal Directional ...
      Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal.