Summary | As the longest pipeline with the biggest investment
in China, the Hengqin underground comprehensive pipeline has a
total length of 33.4 kilometers, which has saved 400,000 square
meters of land, according to Hengqin authorities.
in China, the Hengqin underground comprehensive pipeline has a
total length of 33.4 kilometers, which has saved 400,000 square
meters of land, according to Hengqin authorities.
china.org.cn | 07 September 2015