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采用二维Ｌａｇｒａｎｇｅ数值摸拟方法，计算在管内装填岩石硝铰炸药滑移爆轰作用下，２０＃无缝钢管的运动过程，计算结果与用斜电阻丝法测量得到的结果基本相符。
The two-dimensional Lagrange numerical simulation method is used to calculate the movement of 20 # seamless steel tube under the sliding detonation of the rock-filled rock nitrate hindered explosives. The calculated results are in good agreement with those obtained by the oblique resistance wire method.