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China's Tianzhou-4 sets world record in ratio of load to total weight
01:52

China's Tianzhou-4 has set a world record in its ratio of load to total weight. The cargo ratio of the Tianzhou-4 cargo spacecraft has reached 0.51. In other words, its cargo weight has exceeded half of the total weight of the spacecraft. The Tianzhou-4 spacecraft is used to fuel the China Space Station.

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