摘要
On October13,2015,the 200s test run of the first core stage of LM-7 was completed at the new rocket engine test zone of the Academy of Aerospace Liquid Propulsion Technology.The engines which took part in the test were
On October13, 2015, the 200s test run of the first core stage of LM-7 was completed at the new rocket engine test zone of the Academy of Aerospace Liq- uid Propulsion Technology.