#I am creating the second issue of Toutiao# According to the Sixth Academy of Aerospace Science and Technology of China, my country's first high-altitude pump rear swing high-thrust liquid oxygen kerosene engine has been successfully tested after 650s and other multiple times. Th

2025/06/2217:42:34 science 1155

#I am creating the second issue of Toutiao# According to the Sixth Academy of Aerospace Science and Technology of China, my country's first high-altitude pump rear swing high-thrust liquid oxygen kerosene engine has been successfully tested after 650s and other multiple times. Th - DayDayNews

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