Science and Technology Daily reporter Zhao HanbinIn the mountainous areas of southwestern China, many rural areas are characterized by poor soil quality, lack of water resources, and varying degrees of pollution. At the same time, although extensive rural power networks have been established in various regions, the tight situation of some remote village groups and farmers' "power grid ends" has not yet been fully alleviated...

On July 13, the first large-diameter double shield earth pressure combined shield machine independently developed by China, "Tiebing Guanghua No. 6", successfully started at the No...