9月9日，由太原重工股份有限公司开发研制，中国首台用于隧洞内敷设大直径预应力钢筒混凝管（pccp）的隧洞管道安装车及其制造技术，通过相关部门成果鉴定。太原重工根据山西省万家寨引黄工程管道施工工艺要求，在吸收国内外先进技术的基础上，于去年10月研制成功隧洞管道运输? On September 9, the first tunnel tunnel installation vehicle and its manufacturing technology developed by Taiyuan Heavy Industry Co., Ltd. and used in China for laying large-diameter pre-stressed steel tube concrete pipings (pccp) in tunnels were appraised through relevant departments. According to Shanxi Wanjiazhai Yellow River Diversion Project pipeline construction requirements, based on the absorption of advanced technologies at home and abroad, Taiyuan Heavy Industries successfully developed tunnel pipeline transportation in October last year.