各地扎实推进一批重大工程建设

Infrastructure Development - Major engineering projects are being actively promoted across various regions to support high-quality economic development [1] - The construction of the Yan-Yu High-speed Railway is progressing, with the longest tunnel, Tongbaiyuan No. 1, successfully excavated to 2000 meters, reducing travel time from Xi'an to Yulin from 5 hours to 2 hours upon completion [3] - The construction of the Robu Lake to Ruoqiang Railway has begun, with a total length of approximately 297 kilometers, enhancing the "road-to-rail" transport capacity in Xinjiang [5] - The comprehensive three-dimensional transportation network in the Yangtze River Economic Belt is being improved, with the successful completion of the Jinhua to Jiande High-speed Railway's Xin'an River Grand Bridge, connecting multiple regional economic circles [7] - The Hefei to Wuhan section of the Yangtze River High-speed Railway has entered full construction, with the first steel truss beam of the Shihe River Grand Bridge installed, expected to be completed by 2028 [9] Renewable Energy Projects - The construction of major renewable energy projects is accelerating, with the Tianjin South 1000 kV UHV substation expansion project now operational, capable of transmitting over 40 billion kilowatt-hours of electricity annually [11] - The largest solar thermal storage project under construction in China, the CGN Delingha 1 million kW solar thermal storage integrated project, has completed the installation of its key facility, the heliostat, and is entering the equipment debugging phase, expected to be operational by the end of this year [13] - The project is anticipated to deliver 1.8 billion kilowatt-hours of green electricity annually, equivalent to saving approximately 550,000 tons of standard coal and reducing carbon dioxide emissions by 1.3 million tons [13]