青藏铁路通到拉萨 pdf epub mobi txt 电子书下载 2024

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发表于2024-06-01

青藏铁路通到拉萨 epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

青藏铁路通到拉萨 pdf epub mobi txt 电子书下载 2024

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《青藏铁路通到拉萨(英文版)》内容简介：Contemporary American travel writer Paul heroux commented that the "Kunlun Range s a guarantee that the railway will never get toLhasa... " in his Riding the Iron Rooster.The Qinghai-Tibet Railway, a plateau railway boastingthe highest elevation and longest distance in the world,did go beyond the Kunlun Range. It was completed onJuly i, zoo6, amazing the whole world and creating apioneering work in railway construction historyThe construction of the railway took fifty years fromthe first survey in 1956 to completion in 2oo6. Overthe tedious half-century several generations of railwayworkers challenged extreme conditions finally to solvethree major global engineering problems: permafrost,alpine hypoxia and vulnerable ecologyIt is a road of civilization, traversing 55okm-plus low-latitude, high-elevation, permafrost regions, cuttingthrough Hoh Xil Depopulated Zone and beyond the5,o72m-elevation pass of Tanggula Mountains.

青藏铁路通到拉萨下载 mobi epub pdf txt 电子书