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概况青藏公路自青海省省会西宁市(海拔2275米)起,西行782公里经格尔木市(海拔2780米),南行翻越昆仑山,蜿蜒布设在平均海拔4500米以上的高山高原上,到达西藏自治区首府拉萨市(海拔3640米),计1155公里,习惯上称西宁～格尔木为青藏公路东段,格尔木～拉萨为青藏公路南段,全线长1937公里,修建在“世界屋脊”青藏高原上,平均海拔近4000米。
Overview Qinghai-Tibet Highway starts from Xining, the capital of Qinghai Province (2275 meters above sea level). The westbound 782 kilometers passes Golmud City (2780 meters above sea level) and runs southwards across the Kunlun Mountains. It winds its way to a mountain plateau with an average elevation of 4,500 meters and reaches Tibet Lhasa, the capital of the autonomous region (at an altitude of 3640 meters), weighs 1155 kilometers. It is customary to call Xining ~ Golmud the eastern section of the Qinghai-Tibet Highway and Golmud ~ Lhasa to the southern section of the Qinghai-Tibet Highway, 1937 kilometers long and built on the “roof of the world” The average elevation of nearly 4000 meters.