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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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1 sett 1958 anni - 1958 青藏铁路开工建设
Descrizione:
#1958.9
{地位}
①通往西藏腹地的第一条铁路
②世界上海拔最高、线路最长的高原铁路
【1919】孙中山末明确提出青藏铁路的构想
【20C上半期】处于概念阶段
【1958】{开工建设}
【2006】全线通车
中国政府投入大量人力物力,反复论证、勘测,
克服高原冻土、高寒缺氧、生态保护、生命安全等技术难题
Aggiunto al nastro di tempo:
人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS
By
GUZI
8 mesi fa
4
0
3479
Data:
1 sett 1958 anni
Adesso
~ 66 years ago
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