力箭二号一级动力系统试车成功！首飞将发射轻舟初样试飞船

Core Viewpoint - The successful test of the first-stage propulsion system for the Li Jian No. 2 liquid launch vehicle marks a significant milestone in the development phase of the project, validating key technologies and laying a solid foundation for the maiden flight of the Light Boat cargo spacecraft [1] Group 1 - The test is a major ground experiment that fully verifies critical technologies [1] - The successful test ensures the reliability and stability of the rocket's flight [1]