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青藏铁路建设领导小组副组长、铁道部党组副书记、副部长孙永福,去年在上海举办的中国重大工程成就展论坛上作演讲,他通过多媒体,深入浅出、直观生动地介绍了青藏铁路攻克“三大难题”采取的措施和取得的成就,受到了与会者的热烈欢迎。本刊今年第2期对孙永福演讲的“攻克冻土难题”部分作了介绍,本期继续刊登“攻克生态脆弱和高寒缺氧难题”部分,并仍以图示介绍为主——编者】
Sun Yongfu, deputy leader of the Qinghai-Tibet Railway Construction Leading Group and deputy secretary of the party group and vice minister of the Ministry of Railways made a speech at the China Major Engineering Achievement Exhibition Forum held last year in Shanghai. Through the multimedia, he explained vividly and vividly the Qinghai- Three major problems “to take measures and achievements made, by the participants a warm welcome. This issue of the second issue of this year, Sun Yongfu speech ”overcome frozen soil problems“ section was introduced, this issue continues to publish ”to overcome ecological fragility and alpine hypoxia puzzle" part, and is still mainly illustrated in the introduction - Editor’s Note]