抗战期间 ,中国政府出于物资援助需求 ,筹划了中印公路日玛线和印藏驮运线。然而 ,由于英国政府对之变化不定的政策以及对西藏噶厦的唆使 ,致使该计划失败。中国政府在抗战中受到了巨大的损失。首次利用英国印度事务部原始档案材料对此过程进行了详细研究 ,并分析了计划失败的原因 During the war of resistance against Japan, the Chinese government planned for the Sino-Indian Highway Dayma Line and the Printed Soviet Line for material assistance. However, due to the changing policy of the British government and the instigation of Tibet’s Gaxag, the plan failed. The Chinese government suffered huge losses during the war of resistance. For the first time, the process was studied in detail using the original archives of the Department of Indian Affairs of the United Kingdom and the reasons for the failure of the program were analyzed