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source charge column
expl.
震源药柱
震源药柱由壳体、炸药、传爆药和雷管座等部件组成,震源药柱一般用工业电雷管起爆。为了提高地震波的传播距离,增加探测深度,可根据测深距离,将震源药柱进行串联组合。例如,油田深层地质资料调查,可将10source20发震源药柱组合,以提高冲击波的强度和持续时间
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