根据装药工艺及推力方案设计要求，提出了双辐条轮了孔装药设计方法。
The design method of new wagon wheel grain has been furnished according to requirement of propellent loading process and thrust project.
本文讨论了单室双推力星形装药固体火箭发动机的结构优化方法。
This paper presents a method of optimum design for single-chamber double-thrust solid rocket motors.
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