"吉林一号"掠过神州大地 从太空视角 带我们瞰大国工程 平潭海峡大桥 福建省第一座真正意义的跨海特大桥 大桥起点位于福清市东瀚镇平潭主线收费站 跨越海坛海峡 经北青屿终点至平潭综合实验区 投资11.3亿元 港珠澳大桥 中国境内 连接香港、珠海和澳门的桥隧工程 因其超大的建筑规模 空前的施工难度和顶尖的建造技术 而闻名全世界 1 v - 19 res 中国能建哈密50Mw熔盐塔式项目 中国能源建设集团投资 建设和运营的塔式熔盐光热发电项目 该项目于2021年建成投运 年发电量约1.98亿千瓦时 可满足近10万户家庭的用电需求 并减少二氧化碳排放约16万吨/年 1131 2 8 of the read of all Holly Rep EFFECT 0 2 3 3 e for the program 8 t and n 411 11 P : 12 PM 中国天眼 世界上最大的单口径射电望远镜 它开创了建造巨型望远镜的新模式 建设了反射面相当于30个足球场的射电望远镜 灵敏度达到世界第二大望远镜的2.5倍以上 大幅拓展人类的视野 用于探索宇宙起源和演化 THE POST POST PRODUCTION THE 其生 ...

Group 1 - The completion of the world's highest bridge, the Huajiang Canyon Bridge, marks a significant achievement in engineering, with a main span of 1420 meters and a height difference of 625 meters [1] - The bridge reduces travel time between Zhenfeng County and Guanling County from 2 hours to just 2 minutes, showcasing the transformation of infrastructure [1] - The construction utilized advanced technologies such as the Beidou system for assistance and drone operations for precision work [1] Group 2 - The Lion Rock Channel in the Guangdong-Hong Kong-Macao Greater Bay Area is progressing, with the main bridge tower exceeding 200 meters in height, setting the stage for its completion next year [5] - The Lion Rock Channel will be the first dual-layer composite road channel in the Pearl River Estuary, spanning approximately 35 kilometers with 16 lanes [5] - The project aims to achieve five world records in various categories, including main span and tower height [5] Group 3 - The opening of the Shenyang to Changbai Mountain high-speed railway is a key project under China's 14th Five-Year Plan, enhancing connectivity in Northeast China [5] - This railway line connects 14 prefecture-level cities in Liaoning Province, significantly improving access to high-speed rail for previously underserved areas [5] - The construction faced challenges due to extreme weather conditions and complex terrain, with a majority of the route consisting of bridges and tunnels [5] Group 4 - A new world record was set with the development of a 35.1 Tesla steady-state superconducting magnet by the Hefei Institute of Physical Science, showcasing advancements in superconducting technology [6] - This achievement represents a breakthrough in key technologies for high-field superconducting magnets, with 100% domestic control over materials and processes [8] - The research supports various applications, including MRI, aerospace electromagnetic propulsion, and efficient power transmission [8]

Core Viewpoint - The successful completion of the 1st mountain tunnel of the Guozi Valley pipeline project marks a significant milestone in the West-to-East Gas Transmission project, showcasing advanced engineering capabilities and addressing complex geological challenges [1][3]. Group 1: Project Overview - The Guozi Valley pipeline project is a critical part of the West-to-East Gas Transmission project, featuring four long-distance mountain tunnels [3]. - The total length of the new pipeline is 32 kilometers, designed for dual-pipe installation, enhancing the overall safety of the West-to-East pipeline system [3]. - The project is expected to be fully operational by September 2027, with the existing West-to-East pipelines having already transported over 557 billion cubic meters of natural gas, benefiting 500 million people along the route [3]. Group 2: Engineering Challenges and Solutions - The project faces complex geological conditions, including dense joint zones, water surges, shallow burial, and significant deformation, with over 80% of the weak surrounding rock [7][9]. - To tackle these challenges, the construction team utilized the largest diameter and longest distance dual-shield hard rock tunneling machine in the oil and gas industry [7][9]. - The machine, measuring 193 meters in length, functions like a geological MRI, capable of detecting changes in the geological conditions up to 120 meters ahead, effectively preventing tunnel water inflow and collapse [9]. Group 3: Technological Innovations - The project employs advanced guiding systems to monitor the tunneling equipment's posture, ensuring precision control within 5 centimeters [11]. - A smart construction site center has been established to monitor tunneling parameters, life support system data, and safety and environmental information in real-time [13]. - The system has collected and analyzed over 900,000 data points, triggering more than 300 automatic warnings, with a correction rate exceeding 98% [14].

受访者供图 新华社记者 魏培全摄 川滇交界的金沙江峡谷，青山耸峙，大坝巍然。白鹤滩水电站一刻不停，将奔腾的江水化作清洁电能， 输送到千家万户。 沿着白鹤滩水电站库区河谷一路前行，黄河水利职业技术大学毕业生李小飞正进行水电站地壳形变监 测。他扎根白鹤滩10余年，对这里的数据熟稔于心。 "为重大工程的重要环节、重要技术筑牢坚实的技能人才支撑" 为重大工程输送人才，职业教育为什么具有不可替代性？ 从数据中找答案：目前全国职业院校在校生3000多万人，每年为社会培养高素质劳动者和技能人才约 1000万人，建成了世界规模最大的职业教育体系，有力支撑我国成为全世界唯一拥有全部工业门类的国 家。 "近年来，职业教育逐步构建起覆盖重大工程全生命周期安全保障的全链条人才培养体系，为重大工程 的重要环节、重要技术筑牢坚实的技能人才支撑，保障了关键产业链的自主可控、安全可靠。"教育部 职业教育与成人教育司司长彭斌柏介绍，白鹤滩水电站建设与运行的全过程正是一个生动缩影。 ——胆大心细，锻造大国重器。核心装备的分体制造，是白鹤滩水电站顺利运营的前提。以发电机组中 的水轮机为例，每一个零部件的精度都决定着机组能否扛住江水冲击。 日前，白 ...

Group 1: Deepwater Equipment Delivery - China National Offshore Oil Corporation (CNOOC) has delivered 24 sets of 2000-meter deepwater suction anchors to Brazil, marking it as one of the largest deepwater oil and gas equipment deliveries by China [1][3] - The suction anchors weigh approximately 2674 tons, with a maximum height of 21 meters and a diameter of 8 meters, presenting significant technical challenges in precision control and deformation management due to their large size and thin wall thickness of 25 millimeters [3] Group 2: Technological Innovations - The project team achieved a quality compliance rate exceeding 99.9% through innovative construction techniques, including horizontal extension and vertical assembly, as well as advanced technologies like 3D scanning and finite element simulation [5] - The suction anchors will be installed at the Mero oil field in the Santos Basin, located in southeastern Brazil [5] Group 3: Marine Research Vessel - The first ocean-class intelligent comprehensive scientific research vessel, "Tongji," has been delivered, designed and built independently by China, featuring a 2000-ton capacity and advanced green, quiet, and intelligent technologies [6][8] - "Tongji" measures 82 meters in length and 15 meters in width, capable of accommodating 15 crew members and 30 research team members, with an operational range of 8000 nautical miles [8] Group 4: Power Grid Development - The Xinjiang 750 kV ring network project is nearing completion after 15 years of construction, with a total line length of 4197 kilometers, making it the largest 750 kV ultra-high voltage transmission ring network in China [11][17] - The project will enhance the power grid coverage to approximately 1.06 million square kilometers, nearly one-ninth of China's land area, and will facilitate the integration of renewable energy resources in the Tarim Basin [11][17]