Core Points - The "Xuelong 2" vessel successfully transported over 300 tons of polar fuel to Zhongshan Station using the "Xueying 102" helicopter during a favorable weather window [2] - The "Xuelong" vessel, carrying approximately 1500 tons of supplies, reached the sea ice unloading point under the continuous operation and guidance of the "Xuelong 2" for over 30 hours [3] - A comprehensive unloading operation involving both land and air is currently underway in Antarctica, with the unloading at Zhongshan Station planned to last for two weeks, after which "Xuelong" and "Xuelong 2" will head to Qinling Station and Great Wall Station respectively [5]

Core Points - The "Xuelong 2" polar icebreaker has successfully arrived at a cargo unloading point 12 kilometers from Zhongshan Station during China's 42nd Antarctic Expedition [1] - The unloading operation is utilizing both snow vehicles and helicopters to transport fuel and containers to the station [3][5] Group 1 - The "Xuelong 2" has commenced unloading operations, planning to deliver over 600 tons of supplies over a period of three to four days [5] - As the Antarctic summer progresses, the melting sea ice is facilitating the unloading process, allowing for continuous operations [5] - A total of 12 fuel bags, approximately 40 tons of polar fuel, have been successfully transported to Zhongshan Station via helicopter [3]