The orange coloured box is part of the electrical igniter system for the motor.
橘黄色的颜色方块的一部分，电气点火系统的汽车。
Design of the motor igniter system is Paramount to obtain rapid ignition of the grain.
设计汽车点火系统是至高无上的，以取得快速点火的粮食。
In order to improve working reliability, increase grain mass, and achieve ignition and stage separation at the same time, a successful method is to apply an external igniter to solid rocket motor.
为了提高固体发动机工作可靠性，增加装药质量，同时实现二级点火和级间分离，应用体外点火器是一种成功的方法。
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