The design method of new wagon wheel grain has been furnished according to requirement of propellent loading process and thrust project.
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.
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。
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