首艘、首条、首批！上周，大国工程好消息频传

Group 1: Technological Breakthroughs - China has achieved a world record in superconducting electric magnetic levitation, accelerating a test vehicle weighing tons to 700 km/h in just two seconds, marking the fastest speed for this type of platform globally [1] - The world's first methanol dual-fuel intelligent super-large oil tanker, "Kai Tuo," has been successfully delivered, featuring a length of approximately 333 meters and a capacity to carry about 2.1 million barrels of crude oil [2] - The first near-zero carbon steel production line in China has been fully connected, capable of reducing carbon emissions by over 3.14 million tons annually, equivalent to reforesting 2,000 square kilometers [3] Group 2: Energy and Infrastructure Developments - China's largest offshore oil field, Bohai Oilfield, is projected to produce over 40 million tons of oil and gas equivalent by 2025, providing a solid guarantee for national energy security [6] - The "Linglong No. 1," the world's first land-based commercial modular small reactor, successfully completed its non-nuclear commissioning test, laying a solid foundation for future nuclear operations [8] - The first unit of China's largest pumped storage power station has been connected to the grid, marking a significant breakthrough in hydropower equipment and engineering [13] Group 3: Transportation Expansion - Multiple high-speed rail lines have been opened, including the Guangzhou-Zhanjiang high-speed rail, which can reach Zhanjiang in as little as 1 hour and 32 minutes [20] - The Shantou-Shantou South high-speed rail has officially commenced operations, with a total length of 162 kilometers and a design speed of 350 km/h [21] - The Baotou-Yinchuan high-speed rail has achieved full operation, bringing high-speed rail access to Inner Mongolia [23] - The Xi'an to Yan'an high-speed railway has been opened, contributing to a total high-speed rail network exceeding 50,000 kilometers [24] - The Wuhan to Yichang section of the Huhangyu Railway has been opened, enhancing rapid passenger transport in the Jianghan Plain and western Hubei [25] - The Hangzhou to Quzhou high-speed rail has been opened, adding a new artery to the Yangtze River Delta intercity rapid transit network [26] - The Ankang to Lanhua Expressway has been completed, becoming an important inter-provincial passage between Shaanxi and Chongqing [27] - The world's longest highway tunnel, the Tianshan Victory Tunnel, has been opened, significantly reducing travel time between Urumqi and Korla [28] - The Cangzhou-Zhao Expressway has been officially opened, ending reliance on ferry transport for over 10,000 residents [29] - The Guiyang to Beihai Expressway has been opened, providing a new north-south route to the Beibu Gulf [30] - The first "6-lane to 12-lane" expressway expansion project in China has been completed, enhancing the capacity of the Jing-Tai Expressway [31]