视频丨如何在南极海冰上拖行十几吨的重型设备？答案是：“穿鞋”

Core Points - The unloading operation at Zhongshan Station by the "Snow Dragon" and "Snow Dragon 2" has been successfully completed, with approximately 2000 tons of supplies delivered over a two-week period [2][3][25] - The unloading faced challenges due to the harsh Antarctic environment, requiring both sea ice transport and helicopter operations [2][11] Group 1: Unloading Operations - The unloading operation involved 365 helicopter lifts, transporting a total of 1200 tons of supplies, which accounted for over half of the unloading work at Zhongshan Station [11][25] - Heavy equipment, such as a 19-ton winch, was successfully transported using specially designed sleds, as traditional helicopter lifting was not feasible due to weight limitations [13][19][23] - The unloading team worked under extreme conditions, including strong winds and low temperatures, to ensure the safe delivery of supplies [11][13] Group 2: Equipment and Logistics - The operation included the delivery of critical equipment for the subglacial lake drilling project, which requires clean drilling and sampling through over 3000 meters of ice [13][25] - The logistics involved using snow vehicles to transport heavy equipment across the ice, with a focus on safety and efficiency [19][23] - The unloading operation was the last of its kind for the season, as rising temperatures would soon make sea ice transport impractical [25] Group 3: Team Transition - The operation marked a transition period at Zhongshan Station, with the 41st Antarctic Expedition team preparing to return home after over a year of service [28][35] - New supplies, including fresh fruits and vegetables, were delivered to support the ongoing operations during the unloading period [33][35] - The departing team expressed excitement and anticipation for their return journey, highlighting the emotional aspect of the transition [35]