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本文对冲击面积随操作枪位和驱动压力的变化规律进行了深入的理论分析和实验研究。揭示了冲击面积在不同的冲击速度下存在最大冲击面积位置的规律，系统地考察了驱动压力对冲击面积的影响特征。
In this paper, the impact area with the operation of the gun position and driving pressure changes in-depth theoretical analysis and experimental study. The law of the location of maximum impact area under different impact velocities was revealed. The influence of driving pressure on impact area was systematically investigated.