中国首款5米芯级两级可复用液体火箭，70.2米巨型箭体搭载7台国产YF100K液氧煤油发动机#国产大推力火箭# China’s first two-stage reusable liquid rocket with 5m core diameter, the 70.2-meter giant vehicle is equipped with seven domestic YF100K kerolox engines. #DomesticHighThrustRocket#