Thousands of rocket test of aerospace group created our working spirit of ever - pursuit and meticulosity 航天人千百次的火箭试验铸就了精益求精一丝不苟的精神。
2.
The pressurized 85 % h2o2 - pe hybrid rocket motor test system has been designed and built up for the research work . the hot firing tests and the shutdown - restart of the motor were successfully performed . 2 设计和建造了85 h _ 2o _ 2 ? pe固液火箭试验发动机和挤压式固液火箭发动机试验系统，并成功地进行了点火和再启动。
