美国能源部方面表示，将在芝加哥开展一项重大举措——建设一条商业化的高温超导电缆，宣称电能传 输无损耗，一根线可抵五根线使用。 这消息一经传出，便有人即刻为我们担忧："糟糕我们费劲心力打造的特高压，难道会被美国人的黑科 技'降维打击'吗？" 美国人所说的"高温超导"究竟是何种物质？它颇为娇贵，得在零下196摄氏度的液氮中"浸泡"方能发挥 功效。 液氮价格不算高，然而若要修建一条长达上千公里的输电线路，那就得配备一个同样长达上千公里 的"移动ICU病房"，并且要一直让其插着管子输注液氮。 这成本不仅美国人得斟酌，即便神仙来了也得思量，而且这"花朵"还格外容易损坏。 特高压线路长期经受风吹日晒雨淋，若有小问题，电工师傅驾车携梯前往修理，半天即可解决， 那超导电缆情况如何？若那层"保温服"出现小口，漏些冷气，那就会有大麻烦， 你需先将它从冰窖中取出，待其慢慢解冻至正常温度，修好后再缓缓冷冻回去，如此一来二去，一个城 市或许会连续黑好几天。 你跟我讲，这类娇弱至极、稍一触碰便似会引发大状况的"花朵"能被拉到战场上参与战斗吗？ 再谈谈美国人此次搞的"商业化示范"，听着名号挺吓人，可实际上就几十公里长， 这充其量不过是在自 ...

Core Insights - The investment of 1.2 trillion yuan is aimed at constructing a comprehensive national transportation network in China, which has sparked both support and criticism regarding its potential impact on the economy and public welfare [1][3]. Infrastructure Development - The project spans eight provinces and involves significant engineering challenges, with 72% of the route consisting of tunnels that require advanced construction techniques [3][5]. - The use of domestically produced advanced machinery, such as giant shield tunneling machines, and specialized steel for extreme environments highlights China's commitment to high-quality infrastructure [3][5]. - The project is expected to create approximately 3 million jobs during the construction phase, significantly boosting local economies along the route [5][8]. Economic Impact - The new transportation corridor is anticipated to reduce logistics costs by at least 40%, facilitating smoother trade between regions and enhancing economic efficiency [5][8]. - The project aims to alleviate bottlenecks in the supply chain, connecting surplus materials in North China with demand in East China, thus reshaping the economic landscape [5][8]. Technological Innovation - The implementation of smart temperature control technologies in construction is expected to lower costs and improve efficiency, showcasing China's engineering capabilities [5][8]. - Breakthroughs in construction technology are likely to be replicated in future infrastructure projects, reinforcing the foundation of China's engineering sector [5][8].