from Datong, Shanxi to Qinhuangdao, Hebei. It is 637 kilometers long. It was completed in 1991 and the electrification project was completed in 1992. Mainly transporting coal, it is the main artery of coal transportation in Shanxi and Inner Mongolia, Shaanxi, Ningxia and other provinces and autonomous regions.

word decomposition

daqin's explanation of ancient country names. Also known as Plough and Hercynian. The appellation of Roman Empire in ancient China history books. In AD 9, Emperor Yong Yuan of the Han Dynasty, Ban Chao, the capital of the western regions, sent Gan Ying to Daqin to Tiaozhi and returned to the sea. Explanation of Daqin Emperor's Railway in the 9th year of Emperor Yan Xi's reign of Emperor Huan; a kind of driving passage or track, which was made of steel at first, but now it is usually made of steel. Usually, the rail is paved into two lines end to end to form a permanent road for vehicles; A detailed explanation of the way to lay two or more tracks in this way is also called "winding road". Railed for trains.